View source for List of former United States senators

{{Short description|None}}
{{Use mdy dates|date=April 2025}}
{{United States Senate}}

This is a complete list of former [[United States Senate|United States senators]]. As of {{Monthyear}}, a total of 2,017 persons have served in the senate (including those currently serving).<ref>{{cite web |author1=Senate Historical Office |title=Senators of the United States: 1789-present |url=https://www.senate.gov/artandhistory/history/resources/pdf/chronlist.pdf |website=senate.gov |access-date=2020-10-31 |page=81 |date=January 6, 2020}}</ref>

In the party affiliation column, if a senator switched parties and served non-consecutive terms, their affiliation for each term is listed on the corresponding line. If one of these senators also served multiple non-consecutive terms with the same party, a quotation mark indicates that their affiliation did not change between that term and their preceding term.

==List of former senators==
{|class="wikitable sortable"
! Senator !! Years !! [[Classes of United States senators|Class]] !! State !! Party !! Lifespan
|-
| {{sortname|Joseph Carter|Abbott}} || 1868–1871 || 2 || North Carolina || Republican || 1825–1881
|-
| {{sortname|James|Abdnor}} || 1981–1987 || 3 || South Dakota || Republican || 1923–2012
|-
| {{sortname|Hazel|Abel}} || 1954 || 2 || Nebraska || Republican || 1888–1966 
|-
| {{sortname|James|Abourezk}} || 1973–1979 || 2 || South Dakota || Democratic || 1931–2023
|-
| {{sortname|Spencer|Abraham}} || 1995–2001 || 1 || Michigan || Republican || 1952–present
|-
| {{sortname|John|Adair}} || 1805–1806 || 3 || Kentucky || [[Democratic-Republican Party|Democratic-Republican]] || 1757–1840
|-
| {{sortname|Alva B.|Adams}} || 1923–1924<br />1933–1941 || 3 || Colorado || Democratic || 1875–1941
|-
| {{sortname|Brock|Adams}} || 1987–1993 || 3 || Washington || Democratic || 1927–2004
|-
| {{sortname|John Quincy|Adams}} || 1803–1808 || 1 || Massachusetts || [[Federalist Party|Federalist]] || 1767–1848
|-
| {{sortname|Robert H.|Adams}} || 1830 || 2 || Mississippi || Democratic || 1792–1830
|-
| {{sortname|Stephen|Adams|dab=politician}} || 1852–1857 || 1 || Mississippi || Democratic || 1807–1857
|-
| {{sortname|George|Aiken}} || 1941–1975 || 3 || Vermont || Republican || 1892–1984
|-
| {{sortname|Daniel|Akaka}} || 1990–2013 || 1 || Hawaii || Democratic || 1924–2018
|-
| {{sortname|James L.|Alcorn}} || 1871–1877 || 2 || Mississippi || Republican || 1816–1894
|-
| {{sortname|Nelson W.|Aldrich}} || 1881–1911 || 1 || Rhode Island || Republican || 1841–1915
|-
| {{sortname|Lamar|Alexander}} || 2003–2021 || 2 || Tennessee || Republican || 1940–present
|-
| {{sortname|Russell A.|Alger}} || 1902–1907 || 2 || Michigan || Republican || 1836–1907
|-
| {{sortname|Wayne|Allard}} || 1997–2009 || 2 || Colorado || Republican || 1943–present
|-
| {{sortname|J. Frank|Allee}} || 1903–1907 || 2 || Delaware || Republican || 1857–1938
|-
| {{sortname|George|Allen|dab=American politician}} || 2001–2007 || 1 || Virginia || Republican || 1952–present
|-
| {{sortname|Henry J.|Allen}} || 1929–1930 || 3 || Kansas || Republican || 1868–1950
|-
| {{sortname|James|Allen|dab=Alabama politician}} || 1969–1978 || 3 || Alabama || Democratic || 1912–1978
|-
| {{sortname|John B.|Allen}} || 1889–1893<br />1893 || 1 || Washington || Republican || 1845–1903
|-
| {{sortname|Maryon Pittman|Allen}} || 1978 || 3 || Alabama || Democratic || 1925–2018
|-
| {{sortname|Philip|Allen|dab=Rhode Island politician}} || 1853–1859 || 2 || Rhode Island || Democratic || 1785–1865
|-
| {{sortname|William|Allen|dab=governor}} || 1837–1849 || 3 || Ohio || Democratic || 1803–1879
|-
| {{sortname|William V.|Allen}} || 1893–1899<br />1899–1901 || 1 || Nebraska || [[People's Party (United States)|Populist]] || 1847–1924
|-
| {{sortname|William B.|Allison}} || 1873–1908 || 3 || Iowa || Republican || 1829–1908
|-
| {{sortname|Gordon|Allott}} || 1955–1973 || 2 || Colorado || Republican || 1907–1989
|-
| {{sortname|Adelbert|Ames}} || 1870–1874 || 1 || Mississippi || Republican || 1835–1933
|-
| {{sortname|Alexander O.|Anderson}} || 1840–1841 || 2 || Tennessee || Democratic || 1794–1869
|-
| {{sortname|Clinton|Anderson|dab=New Mexico politician}} || 1949–1973 || 2 || New Mexico || Democratic || 1895–1975
|-
| {{sortname|Joseph|Anderson|dab=Tennessee politician}} || 1797–1799<br />1799–1815 || 2<br />1 || Tennessee || [[Democratic-Republican Party|Democratic-Republican]] || 1757–1837
|-
| {{sortname|Wendell R.|Anderson}} || 1976–1978 || 2 || Minnesota || Democratic || 1933–2016
|-
| {{sortname|Charles O.|Andrews}} || 1936–1946 || 1 || Florida || Democratic || 1877–1946
|-
| {{sortname|Mark|Andrews|dab=politician}} || 1981–1987 || 3 || North Dakota || Republican || 1926–2020
|-
| {{sortname|Levi|Ankeny}} || 1903–1909 || 3 || Washington || Republican || 1844–1921
|-
| {{sortname|Henry B.|Anthony}} || 1859–1884 || 2 || Rhode Island || Republican || 1815–1884
|-
| {{sortname|William S.|Archer}} || 1841–1847 || 2 || Virginia || [[Whig Party (United States)|Whig]] || 1789–1855
|-
| {{sortname|David H.|Armstrong}} || 1877–1879 || 3 || Missouri || Democratic || 1812–1893
|-
| {{sortname|John|Armstrong Jr.||Armstrong, John Jr.}} || 1800–1802<br />1803–1804<br />1804 || 3<br />3<br />1 || New York || [[Democratic-Republican Party|Democratic-Republican]] || 1758–1843
|-
| {{sortname|William L.|Armstrong}} || 1979–1991 || 2 || Colorado || Republican || 1937–2016
|-
| {{sortname|Samuel G.|Arnold}} || 1862–1863 || 1 || Rhode Island || Republican || 1821–1880
|-
| {{sortname|John|Ashcroft}} || 1995–2001 || 1 || Missouri || Republican || 1942–present
|-
| {{sortname|Chester|Ashley}} || 1844–1848 || 2 || Arkansas || Democratic || 1790–1848
|-
| {{sortname|Eli P.|Ashmun}} || 1816–1818 || 1 || Massachusetts || [[Federalist Party|Federalist]] || 1770–1819
|-
| {{sortname|Henry F.|Ashurst}} || 1912–1941 || 1 || Arizona || Democratic || 1874–1962
|-
| {{sortname|David Rice|Atchison}} || 1843–1855 || 3 || Missouri || Democratic || 1807–1886
|-
| {{sortname|Charles G.|Atherton}} || 1843–1849<br />1853 || 3<br />2 || New Hampshire || Democratic || 1804–1853
|-
| {{sortname|Warren|Austin}} || 1931–1946 || 1 || Vermont || Republican || 1877–1962
|-
| {{sortname|Kelly|Ayotte}} || 2011–2017 || 3 || New Hampshire || Republican || 1968–present
|-
| {{sortname|Nathan L.|Bachman}} || 1933–1937 || 2 || Tennessee || Democratic || 1878–1937
|-
| {{sortname|Augustus O.|Bacon}} || 1895–1914 || 2 || Georgia || Democratic || 1839–1914
|-
| {{sortname|George Edmund|Badger}} || 1846–1855 || 3 || North Carolina || [[Whig Party (United States)|Whig]] || 1795–1866
|-
| {{sortname|Arthur P.|Bagby}} || 1841–1848 || 3 || Alabama || Democratic || 1794–1858
|-
| {{sortname|James E.|Bailey}} || 1877–1881 || 1 || Tennessee || Democratic || 1822–1885
|-
| {{sortname|Joseph W.|Bailey}} || 1901–1913 || 2 || Texas || Democratic || 1862–1929
|-
| {{sortname|Josiah|Bailey}} || 1931–1946 || 2 || North Carolina || Democratic || 1873–1946
|-
| {{sortname|Theodorus|Bailey|dab=politician}} || 1803–1804 || 1 || New York || [[Democratic-Republican Party|Democratic-Republican]] || 1758–1828
|-
| {{sortname|David|Baird Jr.||Baird, David Jr.}} || 1929–1930 || 2 || New Jersey || Republican || 1881–1955
|-
| {{sortname|David|Baird Sr.||Baird, David Sr.}} || 1918–1919 || 2 || New Jersey || Republican || 1839–1927
|-
| {{sortname|David J.|Baker}} || 1830 || 2 || Illinois || Democratic || 1792–1869
|-
| {{sortname|Edward D.|Baker}} || 1860–1861 || 2 || Oregon || Republican || 1811–1861
|-
| {{sortname|Howard|Baker}} || 1967–1985 || 2 || Tennessee || Republican || 1925–2014
|-
| {{sortname|Lucien|Baker}} || 1895–1901 || 2 || Kansas || Republican || 1846–1907
|-
| {{sortname|Abraham|Baldwin}} || 1799–1807 || 2 || Georgia || [[Democratic-Republican Party|Democratic-Republican]] || 1754–1807
|-
| {{sortname|Henry P.|Baldwin}} || 1879–1881 || 1 || Michigan || Republican || 1814–1892
|-
| {{sortname|Raymond E.|Baldwin}} || 1946–1949 || 1 || Connecticut || Republican || 1893–1986
|-
| {{sortname|Roger Sherman|Baldwin}} || 1847–1851 || 1 || Connecticut || [[Whig Party (United States)|Whig]] || 1793–1863
|-
| {{sortname|Joseph H.|Ball}} || 1940–1942<br />1943–1949 || 2 || Minnesota || Republican || 1905–1993
|-
| {{sortname|L. Heisler|Ball}} || 1903–1905<br />1919–1925 || 1<br />2 || Delaware || Republican || 1861–1932
|-
| {{sortname|John H.|Bankhead}} || 1907–1920 || 2 || Alabama || Democratic || 1842–1920
|-
| {{sortname|John H.|Bankhead II||Bankhead, John H. II}} || 1931–1946 || 2 || Alabama || Democratic || 1872–1946
|-
| {{sortname|James|Barbour}} || 1815–1825 || 1 || Virginia || [[Democratic-Republican Party|Democratic-Republican]] || 1775–1842
|-
| {{sortname|John S.|Barbour Jr.||Barbour, John S. Jr.}} || 1889–1892 || 2 || Virginia || Democratic || 1820–1892
|-
| {{sortname|W. Warren|Barbour}} || 1931–1937<br />1938–1943 || 2<br />1 || New Jersey || Republican || 1888–1943
|-
| {{sortname|Thomas R.|Bard}} || 1900–1905 || 1 || California || Republican || 1841–1915
|-
| {{sortname|Alben W.|Barkley}} || 1927–1949<br />1955–1956 || 3<br />2 || Kentucky || Democratic || 1877–1956
|-
| {{sortname|Dean|Barkley}} || 2002–2003 || 2 || Minnesota || [[Independence Party of Minnesota|Independence]] || 1950–present
|-
| {{sortname|Isaac D.|Barnard}} || 1827–1831 || 1 || Pennsylvania || Democratic || 1791–1834
|-
| {{sortname|William|Barnum}} || 1876–1879 || 3 || Connecticut || Democratic || 1818–1889
|-
| {{sortname|Robert Woodward|Barnwell}} || 1850 || 2 || South Carolina || Democratic || 1801–1882
|-
| {{sortname|Frank A.|Barrett}} || 1953–1959 || 1 || Wyoming || Republican || 1892–1962
|-
| {{sortname|Alexander|Barrow}} || 1841–1846 || 2 || Louisiana || [[Whig Party (United States)|Whig]] || 1801–1846
|-
| {{sortname|Pope|Barrow}} || 1882–1883 || 2 || Georgia || Democratic || 1839–1903
|-
| {{sortname|Alexander G.|Barry}} || 1938–1939 || 3 || Oregon || Republican || 1892–1952
|-
| {{sortname|William T.|Barry}} || 1814–1816 || 2 || Kentucky || [[Democratic-Republican Party|Democratic-Republican]] || 1784–1835
|-
| {{sortname|Bob|Bartlett}} || 1959–1968 || 2 || Alaska || Democratic || 1904–1968
|-
| {{sortname|Dewey F.|Bartlett}} || 1973–1979 || 2 || Oklahoma || Republican || 1919–1979
|-
| {{sortname|David|Barton|dab=politician}} || 1821–1824<br />1824–1831 || 3 || Missouri || [[Democratic-Republican Party|Democratic-Republican]]<br />[[National Republican Party|National Republican]] || 1783–1837
|-
| {{sortname|Ross|Bass}} || 1964–1967 || 2 || Tennessee || Democratic || 1918–1993
|-
| {{sortname|Richard|Bassett|dab=Delaware politician}} || 1789–1793 || 2 || Delaware || [[Federalist Party|Federalist]] || 1745–1815
|-
| {{sortname|William B.|Bate}} || 1887–1905 || 1 || Tennessee || Democratic || 1826–1905
|-
| {{sortname|Ephraim|Bateman}} || 1826–1829 || 1 || New Jersey || [[National Republican Party|National Republican]] || 1780–1829
|-
| {{sortname|Isaac C.|Bates}} || 1841–1845 || 2 || Massachusetts || [[Whig Party (United States)|Whig]] || 1779–1845
|-
| {{sortname|Martin W.|Bates}} || 1857–1859 || 2 || Delaware || Democratic || 1786–1869
|-
| {{sortname|Max|Baucus}} || 1978–2014 || 2 || Montana || Democratic || 1941–present
|-
| {{sortname|James A.|Bayard|dab=politician, born 1767}} || 1804–1813 || 2 || Delaware || [[Federalist Party|Federalist]] || 1767–1815
|-
| {{sortname|James A.|Bayard Jr.||Bayard, James A. Jr.}} || 1851–1864<br />1867–1869 || 1 || Delaware || Democratic || 1799–1880
|-
| {{sortname|Richard H.|Bayard}} || 1836–1839<br />1841–1845 || 1 || Delaware || [[Whig Party (United States)|Whig]] || 1796–1868
|-
| {{sortname|Thomas F.|Bayard}} || 1869–1885 || 1 || Delaware || Democratic || 1828–1898
|-
| {{sortname|Thomas F.|Bayard Jr.||Bayard, Thomas F. Jr.}} || 1922–1929 || 1 || Delaware || Democratic || 1868–1942
|-
| {{sortname|Birch|Bayh}} || 1963–1981 || 3 || Indiana || Democratic || 1928–2019
|-
| {{sortname|Evan|Bayh}} || 1999–2011 || 3 || Indiana || Democratic || 1955–present
|-
| {{sortname|J. Glenn|Beall}} || 1953–1965 || 1 || Maryland || Republican || 1894–1971
|-
| {{sortname|J. Glenn|Beall Jr.||Beall, J. Glenn Jr.}} || 1971–1977 || 1 || Maryland || Republican || 1927–2006
|-
| {{sortname|James B.|Beck}} || 1877–1890 || 2 || Kentucky || Democratic || 1822–1890
|-
| {{sortname|J. C. W.|Beckham}} || 1915–1921 || 3 || Kentucky || Democratic || 1869–1940
|-
| {{sortname|Mark|Begich}} || 2009–2015 || 2 || Alaska || Democratic || 1962–present
|-
| {{sortname|Charles H.|Bell|dab=politician}} || 1879 || 3 || New Hampshire || Republican || 1823–1893
|-
| {{sortname|James|Bell|dab=New Hampshire politician}} || 1855–1856<br />1856–1857 || 3 || New Hampshire || [[Whig Party (United States)|Whig]]<br />Republican || 1804–1857
|-
| {{sortname|John|Bell|dab=Tennessee politician}} || 1847–1853<br />1853–1856<br />1856–1859 || 2 || Tennessee || [[Whig Party (United States)|Whig]]<br />[[Whig Party (United States)|Whig]]<br />[[Know Nothing|American]] || 1796–1869
|-
| {{sortname|Samuel|Bell|dab=New Hampshire politician}} || 1823–1824<br />1824–1835 || 2 || New Hampshire || [[Democratic-Republican Party|Democratic-Republican]]<br />[[National Republican Party|National Republican]] || 1770–1850
|-
| {{sortname|Henry|Bellmon}} || 1969–1981 || 3 || Oklahoma || Republican || 1921–2009
|-
| {{sortname|George H.|Bender}} || 1954–1957 || 3 || Ohio || Republican || 1896–1961
|-
| {{sortname|Christie|Benet}} || 1918 || 2 || South Carolina || Democratic || 1879–1951
|-
| {{sortname|Judah P.|Benjamin}} || 1853–1856<br />1856–1861 || 2 || Louisiana || [[Whig Party (United States)|Whig]]<br />Democratic || 1811–1884
|-
| {{sortname|Bob|Bennett|dab=politician}} || 1993–2011 || 3 || Utah || Republican || 1933–2016
|-
| {{sortname|Wallace F.|Bennett}} || 1951–1974 || 3 || Utah || Republican || 1898–1993
|-
| {{sortname|Alfred W.|Benson}} || 1906–1907 || 2 || Kansas || Republican || 1843–1916
|-
| {{sortname|Elmer A.|Benson}} || 1935–1936 || 2 || Minnesota || [[Minnesota Farmer–Labor Party|Farmer–Labor]] || 1895–1985
|-
| {{sortname|Thomas Hart|Benton|dab=politician}} || 1821–1824<br />1824–1851 || 1 || Missouri || [[Democratic-Republican Party|Democratic-Republican]]<br />Democratic || 1782–1858
|-
| {{sortname|William|Benton|dab=politician}} || 1949–1953 || 1 || Connecticut || Democratic || 1900–1973
|-
| {{sortname|Lloyd|Bentsen}} || 1971–1993 || 1 || Texas || Democratic || 1921–2006
|-
| {{sortname|John M.|Berrien}} || 1825–1829<br />1841–1845<br />1845–1847<br />1847–1852 || 3<br />2<br />2<br />2 || Georgia || Democratic<br />[[Whig Party (United States)|Whig]]<br />[[Whig Party (United States)|Whig]]<br />[[Whig Party (United States)|Whig]] || 1781–1856
|-
| {{sortname|George L.|Berry}} || 1937–1938 || 2 || Tennessee || Democratic || 1882–1948
|-
| {{sortname|James H.|Berry}} || 1885–1907 || 2 || Arkansas || Democratic || 1841–1913
|-
| {{sortname|Thaddeus|Betts}} || 1839–1840 || 1 || Connecticut || [[Whig Party (United States)|Whig]] || 1789–1840
|-
| {{sortname|Albert J.|Beveridge}} || 1899–1911 || 1 || Indiana || Republican || 1862–1927
|-
| {{sortname|George M.|Bibb}} || 1811–1814<br />1829–1835 || 2 || Kentucky || [[Democratic-Republican Party|Democratic-Republican]]<br />Democratic || 1776–1859
|-
| {{sortname|William W.|Bibb}} || 1813–1816 || 2 || Georgia || [[Democratic-Republican Party|Democratic-Republican]] || 1781–1820
|-
| {{sortname|Alan|Bible}} || 1954–1974 || 3 || Nevada || Democratic || 1909–1988
|-
| {{sortname|Joe|Biden}} || 1973–2009 || 2 || Delaware || Democratic || 1942–present
|-
| {{sortname|Asa|Biggs}} || 1855–1858 || 3 || North Carolina || Democratic || 1811–1878
|-
| {{sortname|William|Bigler}} || 1856–1861 || 3 || Pennsylvania || Democratic || 1814–1880
|-
| {{sortname|Theodore G.|Bilbo}} || 1935–1947 || 1 || Mississippi || Democratic || 1877–1947
|-
| {{sortname|Jeff|Bingaman}} || 1983–2013 || 1 || New Mexico || Democratic || 1943–present
|-
| {{sortname|Hiram|Bingham III||Bingham, Hiram III}} || 1924–1933 || 3 || Connecticut || Republican || 1875–1956
|-
| {{sortname|Kinsley S.|Bingham}} || 1859–1861 || 2 || Michigan || Republican || 1808–1861
|-
| {{sortname|William|Bingham}} || 1795–1801 || 3 || Pennsylvania || [[Federalist Party|Federalist]] || 1752–1804
|-
| {{sortname|Hugo|Black}} || 1927–1937 || 3 || Alabama || Democratic || 1886–1971
|-
| {{sortname|John|Black|dab=Mississippi politician}} || 1832–1833<br />1833–1836<br />1836–1838 || 1 || Mississippi || Democratic<br />[[National Republican Party|National Republican]]<br />[[Whig Party (United States)|Whig]] || 1800–1854
|-
| {{sortname|J. C. S.|Blackburn}} || 1885–1897<br />1901–1907 || 3<br />2 || Kentucky || Democratic || 1838–1918
|-
| {{sortname|James G.|Blaine}} || 1876–1881 || 2 || Maine || Republican || 1830–1893
|-
| {{sortname|John J.|Blaine}} || 1927–1933 || 3 || Wisconsin || Republican || 1875–1934
|-
| {{sortname|Francis Preston|Blair Jr.||Blair, Francis Preston Jr.}} || 1871–1873 || 3 || Missouri || Democratic || 1821–1875
|-
| {{sortname|Henry W.|Blair}} || 1879–1885<br />1885–1891 || 3 || New Hampshire || Republican || 1834–1920
|-
| {{sortname|William A.|Blakley}} || data-sort-value="1957–1957" | 1957<br />1961 || 1<br />2 || Texas || Democratic || 1898–1976
|-
| {{sortname|Newton C.|Blanchard}} || 1894–1897 || 3 || Louisiana || Democratic || 1849–1922
|-
| {{sortname|Cole L.|Blease}} || 1925–1931 || 2 || South Carolina || Democratic || 1868–1942
|-
| {{sortname|Jesse|Bledsoe}} || 1813–1814 || 3 || Kentucky || [[Democratic-Republican Party|Democratic-Republican]] || 1776–1836
|-
| {{sortname|Rufus|Blodgett}} || 1887–1893 || 1 || New Jersey || Democratic || 1834–1910
|-
| {{sortname|Timothy|Bloodworth}} || 1795–1801 || 3 || North Carolina || [[Democratic-Republican Party|Democratic-Republican]] || 1736–1814
|-
| {{sortname|William|Blount}} || 1796–1797 || 2 || Tennessee || [[Democratic-Republican Party|Democratic-Republican]] || 1749–1800
|-
| {{sortname|Roy|Blunt}} || 2011–2023 || 3 || Missouri || Republican || 1950–present
|-
| {{sortname|Elijah|Boardman}} || 1821–1823 || 1 || Connecticut || [[Democratic-Republican Party|Democratic-Republican]] || 1760–1823
|-
| {{sortname|J. Caleb|Boggs}} || 1961–1973 || 2 || Delaware || Republican || 1909–1993
|-
| {{sortname|Lewis V.|Bogy}} || 1873–1877 || 3 || Missouri || Democratic || 1813–1877
|-
| {{sortname|Kit|Bond}} || 1987–2011 || 3 || Missouri || Republican || 1939–2025
|-
| {{sortname|Homer|Bone}} || 1933–1944 || 3 || Washington || Democratic || 1883–1970
|-
| {{sortname|Newton|Booth}} || 1875–1881 || 1 || California || [[Anti-Monopoly Party|Anti-Monopolist]] || 1825–1892
|-
| {{sortname|William|Borah}} || 1907–1940 || 2 || Idaho || Republican || 1865–1940
|-
| {{sortname|Arthur I.|Boreman}} || 1869–1875 || 1 || West Virginia || Republican || 1823–1896
|-
| {{sortname|David|Boren}} || 1979–1994 || 2 || Oklahoma || Democratic || 1941–2025
|-
| {{sortname|Solon|Borland}} || 1848–1853 || 3 || Arkansas || Democratic || 1808–1864
|-
| {{sortname|Rudy|Boschwitz}} || 1978–1991 || 2 || Minnesota || Republican || 1930–present
|-
| {{sortname|Joe|Bottum}} || 1962–1963 || 3 || South Dakota || Republican || 1903–1984
|-
| {{sortname|Dominique|Bouligny}} || 1824–1829 || 2 || Louisiana || [[National Republican Party|National Republican]] || 1773–1833
|-
| {{sortname|Jonathan|Bourne Jr.||Bourne, Jonathan Jr.}} || 1907–1913 || 2 || Oregon || Republican || 1855–1940
|-
| {{sortname|George S.|Boutwell}} || 1873–1877 || 2 || Massachusetts || Republican || 1818–1905
|-
| {{sortname|Lemuel J.|Bowden}} || 1863–1864 || 1 || Virginia || [[Unionist politician (American Civil War)|Union]] || 1815–1864
|-
| {{sortname|Thomas M.|Bowen}} || 1883–1889 || 2 || Colorado || Republican || 1835–1906
|-
| {{sortname|Eva|Bowring}} || 1954 || 2 || Nebraska || Republican || 1892–1985
|-
| {{sortname|Barbara|Boxer}} || 1993–2017 || 3 || California || Democratic || 1940–present
|-
| {{sortname|James W.|Bradbury}} || 1847–1853 || 2 || Maine || Democratic || 1802–1901
|-
| {{sortname|William|Bradford|dab=Rhode Island politician}} || 1793–1797 || 2 || Rhode Island || [[Federalist Party|Federalist]] || 1729–1808
|-
| {{sortname|Bill|Bradley}} || 1979–1997 || 2 || New Jersey || Democratic || 1943–present
|-
| {{sortname|Stephen R.|Bradley}} || 1791–1795<br />1801–1813 || 3 || Vermont || [[Democratic-Republican Party|Democratic-Republican]] || 1754–1830
|-
| {{sortname|William O'Connell|Bradley}} || 1909–1914 || 3 || Kentucky || Republican || 1847–1914
|-
| {{sortname|James H.|Brady}} || 1913–1918 || 3 || Idaho || Republican || 1862–1918
|-
| {{sortname|Nicholas F.|Brady}} || 1982 || 1 || New Jersey || Republican || 1930–present
|-
| {{sortname|Thomas|Bragg}} || 1859–1861 || 2 || North Carolina || Democratic || 1810–1872
|-
| {{sortname|Lawrence|Brainerd}} || 1854–1855 || 3 || Vermont || [[Free Soil Party|Free Soil]] || 1794–1870
|-
| {{sortname|John|Branch}} || 1823–1829 || 2 || North Carolina || Democratic || 1782–1863
|-
| {{sortname|Frank B.|Brandegee}} || 1905–1924 || 3 || Connecticut || Republican || 1864–1924
|-
| {{sortname|Sam G.|Bratton}} || 1925–1933 || 2 || New Mexico || Democratic || 1888–1963
|-
| {{sortname|Mike|Braun}} || 2019–2025 || 1 || Indiana || Republican || 1954–present
|-
| {{sortname|John|Breaux}} || 1987–2005 || 3 || Louisiana || Democratic || 1944–present
|-
| {{sortname|John|Breckinridge|dab=U.S. Attorney General}} || 1801–1805 || 3 || Kentucky || [[Democratic-Republican Party|Democratic-Republican]] || 1760–1806
|-
| {{sortname|John C.|Breckinridge}} || 1861 || 3 || Kentucky || Democratic || 1821–1875
|-
| {{sortname|Sidney|Breese}} || 1843–1849 || 3 || Illinois || Democratic || 1800–1878
|-
| {{sortname|Richard|Brent|dab=politician}} || 1809–1814 || 1 || Virginia || [[Democratic-Republican Party|Democratic-Republican]] || 1757–1814
|-
| {{sortname|Daniel|Brewster}} || 1963–1969 || 3 || Maryland || Democratic || 1923–2007
|-
| {{sortname|Owen|Brewster}} || 1941–1952 || 1 || Maine || Republican || 1888–1961
|-
| {{sortname|Calvin S.|Brice}} || 1891–1897 || 3 || Ohio || Democratic || 1845–1898
|-
| {{sortname|John W.|Bricker}} || 1947–1959 || 1 || Ohio || Republican || 1893–1986
|-
| {{sortname|Styles|Bridges}} || 1937–1961 || 2 || New Hampshire || Republican || 1898–1961
|-
| {{sortname|Frank O.|Briggs}} || 1907–1913 || 2 || New Jersey || Republican || 1851–1913
|-
| {{sortname|Frank P.|Briggs}} || 1945–1947 || 1 || Missouri || Democratic || 1894–1992
|-
| {{sortname|Jesse D.|Bright}} || 1845–1862 || 1 || Indiana || Democratic || 1812–1875
|-
| {{sortname|Joseph L.|Bristow}} || 1909–1915 || 3 || Kansas || Republican || 1861–1944
|-
| {{sortname|Bill|Brock}} || 1971–1977 || 1 || Tennessee || Republican || 1930–2021
|-
| {{sortname|William E.|Brock}} || 1929–1931 || 2 || Tennessee || Democratic || 1872–1950
|-
| {{sortname|David C.|Broderick}} || 1857–1859 || 1 || California || Democratic || 1820–1859
|-
| {{sortname|Richard|Brodhead}} || 1851–1857 || 1 || Pennsylvania || Democratic || 1811–1863
|-
| {{sortname|Edward|Brooke}} || 1967–1979 || 2 || Massachusetts || Republican || 1919–2015
|-
| {{sortname|Walker|Brooke}} || 1852–1853 || 2 || Mississippi || [[Whig Party (United States)|Whig]] || 1813–1869
|-
| {{sortname|Smith W.|Brookhart}} || 1922–1926<br />1927–1933 || 2<br />3 || Iowa || Republican || 1869–1944
|-
| {{sortname|C. Wayland|Brooks}} || 1940–1949 || 2 || Illinois || Republican || 1897–1957
|-
| {{sortname|J. Melville|Broughton}} || 1948–1949 || 2 || North Carolina || Democratic || 1888–1949
|-
| {{sortname|Edwin S.|Broussard}} || 1921–1933 || 3 || Louisiana || Democratic || 1874–1934
|-
| {{sortname|Robert F.|Broussard}} || 1915–1918 || 3 || Louisiana || Democratic || 1864–1918
|-
| {{sortname|Albert G.|Brown}} || 1854–1861 || 2 || Mississippi || Democratic || 1813–1880
|-
| {{sortname|Arthur|Brown|dab=American politician}} || 1896–1897 || 3 || Utah || Republican || 1843–1906
|-
| {{sortname|B. Gratz|Brown}} || 1863–1867 || 3 || Missouri || Republican || 1826–1885
|-
| {{sortname|Bedford|Brown}} || 1829–1840 || 2 || North Carolina || Democratic || 1795–1870
|-
| {{sortname|Ernest S.|Brown}} || 1954 || 3 || Nevada || Republican || 1903–1965
|-
| {{sortname|Ethan Allen|Brown}} || 1822–1824<br />1824–1825 || 3 || Ohio || [[Democratic-Republican Party|Democratic-Republican]]<br />[[National Republican Party|National Republican]] || 1776–1852
|-
| {{sortname|Fred H.|Brown}} || 1933–1939 || 3 || New Hampshire || Democratic || 1879–1955
|-
| {{sortname|Hank|Brown}} || 1991–1997 || 2 || Colorado || Republican || 1940–present
|-
| {{sortname|James|Brown|dab=Louisiana politician}} || 1813–1817<br />1819–1823 || 2<br />3 || Louisiana || [[Democratic-Republican Party|Democratic-Republican]] || 1766–1835
|-
| {{sortname|John|Brown|dab=Kentucky politician, born 1757}} || 1792–1805 || 2 || Kentucky || [[Democratic-Republican Party|Democratic-Republican]] || 1757–1837
|-
| {{sortname|Joseph E.|Brown}} || 1880–1891 || 3 || Georgia || Democratic || 1821–1894
|-
| {{sortname|Norris|Brown}} || 1907–1913 || 2 || Nebraska || Republican || 1863–1960
|-
| {{sortname|Prentiss M.|Brown}} || 1936–1943 || 2 || Michigan || Democratic || 1889–1973
|-
| {{sortname|Scott|Brown|dab=politician}} || 2010–2013 || 1 || Massachusetts || Republican || 1959–present
|-
| {{sortname|Sherrod|Brown}} || 2007–2025 || 1 || Ohio || Democratic || 1952–present
|-
| {{sortname|Sam|Brownback}} || 1996–2011 || 3 || Kansas || Republican || 1956–present
|-
| {{sortname|Orville Hickman|Browning}} || 1861–1863 || 2 || Illinois || Republican || 1806–1881
|-
| {{sortname|Parson|Brownlow}} || 1869–1875 || 1 || Tennessee || Republican || 1805–1877
|-
| {{sortname|Jim|Broyhill}} || 1986 || 3 || North Carolina || Republican || 1927–2023
|-
| {{sortname|Blanche|Bruce}} || 1875–1881 || 1 || Mississippi || Republican || 1841–1898
|-
| {{sortname|William Cabell|Bruce}} || 1923–1929 || 1 || Maryland || Democratic || 1860–1946
|-
| {{sortname|Norman|Brunsdale}} || 1959–1960 || 1 || North Dakota || Republican || 1891–1978
|-
| {{sortname|Nathan P.|Bryan}} || 1911–1917 || 1 || Florida || Democratic || 1872–1935
|-
| {{sortname|Richard|Bryan}} || 1989–2001 || 1 || Nevada || Democratic || 1937–present
|-
| {{sortname|William James|Bryan}} || 1907–1908 || 3 || Florida || Democratic || 1876–1908
|-
| {{sortname|James|Buchanan}} || 1834–1845 || 3 || Pennsylvania || Democratic || 1791–1868
|-
| {{sortname|C. Douglass|Buck}} || 1943–1949 || 2 || Delaware || Republican || 1890–1965
|-
| {{sortname|Charles R.|Buckalew}} || 1863–1869 || 1 || Pennsylvania || Democratic || 1821–1899
|-
| {{sortname|William A.|Buckingham}} || 1869–1875 || 1 || Connecticut || Republican || 1804–1875
|-
| {{sortname|James L.|Buckley}} || 1971–1976<br />1976–1977 || 1 || New York || [[Conservative Party of New York State|Conservative]]<br />Republican || 1923–2023
|-
| {{sortname|Alexander|Buckner}} || 1831–1833 || 3 || Missouri || Democratic || 1785–1833
|-
| {{sortname|Morgan|Bulkeley}} || 1905–1911 || 1 || Connecticut || Republican || 1837–1922
|-
| {{sortname|Robert J.|Bulkley}} || 1930–1939 || 3 || Ohio || Democratic || 1880–1965
|-
| {{sortname|William B.|Bulloch}} || 1813 || 2 || Georgia || [[Democratic-Republican Party|Democratic-Republican]] || 1777–1852
|-
| {{sortname|William J.|Bulow}} || 1931–1943 || 2 || South Dakota || Democratic || 1869–1960
|-
| {{sortname|Dale|Bumpers}} || 1975–1999 || 3 || Arkansas || Democratic || 1925–2016
|-
| {{sortname|Berkeley L.|Bunker}} || 1940–1942 || 1 || Nevada || Democratic || 1906–1999
|-
| {{sortname|Jim|Bunning}} || 1999–2011 || 3 || Kentucky || Republican || 1931–2017
|-
| {{sortname|Thomas G.|Burch}} || 1946 || 2 || Virginia || Democratic || 1869–1951
|-
| {{sortname|Jocelyn|Burdick}} || 1992 || 1 || North Dakota || Democratic || 1922–2019
|-
| {{sortname|Quentin|Burdick}} || 1961–1992 || 1 || North Dakota || Democratic || 1908–1992
|-
| {{sortname|Edward R.|Burke}} || 1935–1941 || 1 || Nebraska || Democratic || 1880–1968
|-
| {{sortname|Thomas A.|Burke}} || 1953–1954 || 3 || Ohio || Democratic || 1898–1971
|-
| {{sortname|Elmer|Burkett}} || 1905–1911 || 1 || Nebraska || Republican || 1867–1935
|-
| {{sortname|Edwin C.|Burleigh}} || 1913–1916 || 2 || Maine || Republican || 1843–1916
|-
| {{sortname|Jacob|Burnet}} || 1828–1831 || 3 || Ohio || [[National Republican Party|National Republican]] || 1770–1853
|-
| {{sortname|Henry E.|Burnham}} || 1901–1913 || 2 || New Hampshire || Republican || 1844–1917
|-
| {{sortname|Conrad|Burns}} || 1989–2007 || 1 || Montana || Republican || 1935–2016
|-
| {{sortname|Ambrose|Burnside}} || 1875–1881 || 1 || Rhode Island || Republican || 1824–1881
|-
| {{sortname|Aaron|Burr}} || 1791–1797 || 1 || New York || [[Democratic-Republican Party|Democratic-Republican]] || 1756–1836
|-
| {{sortname|Richard|Burr}} || 2005–2023 || 3 || North Carolina || Republican || 1955–present
|-
| {{sortname|James|Burrill Jr.||Burrill, James Jr.}} || 1817–1820 || 2 || Rhode Island || [[Federalist Party|Federalist]] || 1772–1820
|-
| {{sortname|Roland|Burris}} || 2009–2010 || 3 || Illinois || Democratic || 1937–present
|-
| {{sortname|Julius C.|Burrows}} || 1895–1911 || 1 || Michigan || Republican || 1837–1915
|-
| {{sortname|Holm O.|Bursum}} || 1921–1925 || 2 || New Mexico || Republican || 1867–1953
|-
| {{sortname|Harold H.|Burton}} || 1941–1945 || 1 || Ohio || Republican || 1888–1964
|-
| {{sortname|Joseph R.|Burton}} || 1901–1906 || 2 || Kansas || Republican || 1852–1923
|-
| {{sortname|Theodore E.|Burton}} || 1909–1915<br />1928–1929 || 3 || Ohio || Republican || 1851–1929
|-
| {{sortname|Prescott|Bush}} || 1953–1963 || 3 || Connecticut || Republican || 1895–1972
|-
| {{sortname|Harlan J.|Bushfield}} || 1943–1948 || 2 || South Dakota || Republican || 1882–1948
|-
| {{sortname|Vera C.|Bushfield}} || 1948 || 2 || South Dakota || Republican || 1889–1976
|-
| {{sortname|Andrew|Butler}} || 1846–1857 || 3 || South Carolina || Democratic || 1796–1857
|-
| {{sortname|Hugh A.|Butler}} || 1941–1954 || 1 || Nebraska || Republican || 1878–1954
|-
| {{sortname|John Marshall|Butler}} || 1951–1963 || 3 || Maryland || Republican || 1897–1978
|-
| {{sortname|Laphonza|Butler}} || 2023–2024 || 1 || California || Democratic || 1979–present
|-
| {{sortname|Marion|Butler}} || 1895–1901 || 2 || North Carolina || [[People's Party (United States)|Populist]] || 1863–1938
|-
| {{sortname|Matthew|Butler}} || 1877–1895 || 2 || South Carolina || Democratic || 1836–1909
|-
| {{sortname|Pierce|Butler|dab=American politician}} || 1789–1795<br />1795–1796<br />1802–1804 || 2<br />2<br />3 || South Carolina || [[Federalist Party|Federalist]]<br />[[Democratic-Republican Party|Democratic-Republican]]<br />[[Democratic-Republican Party|Democratic-Republican]] || 1744–1822
|-
| {{sortname|William M.|Butler}} || 1924–1926 || 1 || Massachusetts || Republican || 1861–1937
|-
| {{sortname|Harry F.|Byrd}} || 1933–1965 || 1 || Virginia || Democratic || 1887–1966
|-
| {{sortname|Harry F.|Byrd Jr.||Byrd, Harry F. Jr.}} || 1965–1970<br />1970–1983 || 1 || Virginia || Democratic<br />Independent || 1914–2013
|-
| {{sortname|Robert|Byrd}} || 1959–2010 || 1 || West Virginia || Democratic || 1917–2010
|-
| {{sortname|James F.|Byrnes}} || 1931–1941 || 2 || South Carolina || Democratic || 1882–1972
|-
| {{sortname|George|Cabot}} || 1791–1796 || 1 || Massachusetts || [[Federalist Party|Federalist]] || 1752–1823
|-
| {{sortname|Donelson|Caffery}} || 1892–1901 || 2 || Louisiana || Democratic || 1835–1906
|-
| {{sortname|Harry P.|Cain}} || 1946–1953 || 1 || Washington || Republican || 1906–1979
|-
| {{sortname|William M.|Calder}} || 1917–1923 || 1 || New York || Republican || 1869–1945
|-
| {{sortname|Alexander|Caldwell}} || 1871–1873 || 2 || Kansas || Republican || 1830–1917
|-
| {{sortname|John C.|Calhoun}} || 1832–1837<br />1837–1843<br />1845–1850 || 2 || South Carolina || [[Nullifier Party|Nullifier]]<br />Democratic<br />Democratic || 1782–1850
|-
| {{sortname|Wilkinson|Call}} || 1879–1897 || 3 || Florida || Democratic || 1834–1910
|-
| {{sortname|Johnson N.|Camden}} || 1881–1887<br />1893–1895 || 1<br />2 || West Virginia || Democratic || 1828–1908
|-
| {{sortname|Johnson N.|Camden Jr.||Camden, Johnson N. Jr.}} || 1914–1915 || 3 || Kentucky || Democratic || 1865–1942
|-
| {{sortname|Angus|Cameron|dab=American politician}} || 1875–1881<br />1881–1885 || 1<br />3 || Wisconsin || Republican || 1826–1897
|-
| {{sortname|J. Donald|Cameron}} || 1877–1897 || 3 || Pennsylvania || Republican || 1833–1918
|-
| {{sortname|Ralph H.|Cameron}} || 1921–1927 || 3 || Arizona || Republican || 1863–1953
|-
| {{sortname|Simon|Cameron}} || 1845–1849<br />1857–1861<br />1867–1877 || 3<br />1<br />3 || Pennsylvania || Democratic<br />Republican<br />Republican || 1799–1889
|-
| {{sortname|Alexander|Campbell|dab=Ohio politician}} || 1809–1813 || 3 || Ohio || [[Democratic-Republican Party|Democratic-Republican]] || 1779–1857
|-
| {{sortname|Ben Nighthorse|Campbell}} || 1993–1995<br />1995–2005 || 3 || Colorado || Democratic<br />Republican || 1933–present
|-
| {{sortname|George W.|Campbell}} || 1811–1814<br />1815–1818 || 2<br />1 || Tennessee || [[Democratic-Republican Party|Democratic-Republican]] || 1769–1848
|-
| {{sortname|Frank J.|Cannon}} || data-sort-value="1896–1896" | 1896<br />1896–1899 || 1 || Utah || Republican<br />[[Silver Republican Party|Silver Republican]] || 1859–1933
|-
| {{sortname|Howard|Cannon}} || 1959–1983 || 1 || Nevada || Democratic || 1912–2002
|-
| {{sortname|Homer E.|Capehart}} || 1945–1963 || 3 || Indiana || Republican || 1897–1979
|-
| {{sortname|Allen T.|Caperton}} || 1875–1876 || 1 || West Virginia || Democratic || 1810–1876
|-
| {{sortname|Arthur|Capper}} || 1919–1949 || 2 || Kansas || Republican || 1865–1951
|-
| {{sortname|Hattie|Caraway}} || 1931–1945 || 3 || Arkansas || Democratic || 1878–1950
|-
| {{sortname|Thaddeus H.|Caraway}} || 1921–1931 || 3 || Arkansas || Democratic || 1871–1931
|-
| {{sortname|Ben|Cardin}} || 2007–2025 || 1 || Maryland || Democratic || 1943–present
|-
| {{sortname|Joseph M.|Carey}} || 1890–1895 || 2 || Wyoming || Republican || 1845–1924
|-
| {{sortname|Robert D.|Carey}} || 1930–1937 || 2 || Wyoming || Republican || 1878–1937
|-
| {{sortname|John S.|Carlile}} || 1861–1865 || 2 || Virginia || [[Unionist politician (American Civil War)|Union]] || 1817–1878
|-
| {{sortname|John G.|Carlisle}} || 1890–1893 || 2 || Kentucky || Democratic || 1834–1910
|-
| {{sortname|Frank|Carlson}} || 1950–1969 || 3 || Kansas || Republican || 1893–1987
|-
| {{sortname|Edward W.|Carmack}} || 1901–1907 || 2 || Tennessee || Democratic || 1858–1908
|-
| {{sortname|Jean|Carnahan}} || 2001–2002 || 1 || Missouri || Democratic || 1933–2024
|-
| {{sortname|Matthew H.|Carpenter}} || 1869–1875<br />1879–1881 || 1<br />3 || Wisconsin || Republican || 1824–1881
|-
| {{sortname|Tom|Carper}} || 2001–2025 || 1 || Delaware || Democratic || 1947–present
|-
| {{sortname|Charles|Carroll of Carrollton||Carroll, Charles}} || 1789–1792 || 1 || Maryland || [[Federalist Party|Federalist]] || 1737–1832
|-
| {{sortname|John A.|Carroll}} || 1957–1963 || 3 || Colorado || Democratic || 1901–1983
|-
| {{sortname|Thomas H.|Carter}} || 1895–1901<br />1905–1911 || 2<br />1 || Montana || Republican || 1854–1911
|-
| {{sortname|Edward P.|Carville}} || 1945–1947 || 1 || Nevada || Democratic || 1885–1956
|-
| {{sortname|Clifford P.|Case}} || 1955–1979 || 2 || New Jersey || Republican || 1904–1982
|-
| {{sortname|Francis|Case}} || 1951–1962 || 3 || South Dakota || Republican || 1896–1962
|-
| {{sortname|Bob|Casey Jr.||Casey, Bob Jr.}} || 2007–2025 || 1 || Pennsylvania || Democratic || 1960–present
|-
| {{sortname|Lyman R.|Casey}} || 1889–1893 || 1 || North Dakota || Republican || 1837–1914
|-
| {{sortname|Lewis|Cass}} || 1845–1848<br />1849–1857 || 1 || Michigan || Democratic || 1782–1866
|-
| {{sortname|Eugene|Casserly}} || 1869–1873 || 1 || California || Democratic || 1820–1883
|-
| {{sortname|Charles W.|Cathcart}} || 1852–1853 || 3 || Indiana || Democratic || 1809–1888
|-
| {{sortname|Thomas B.|Catron}} || 1912–1917 || 1 || New Mexico || Republican || 1840–1921
|-
| {{sortname|Alexander G.|Cattell}} || 1866–1871 || 2 || New Jersey || Republican || 1816–1894
|-
| {{sortname|Jonathan|Chace}} || 1885–1889 || 2 || Rhode Island || Republican || 1829–1917
|-
| {{sortname|John|Chafee}} || 1976–1999 || 1 || Rhode Island || Republican || 1922–1999
|-
| {{sortname|Lincoln|Chafee}} || 1999–2007 || 1 || Rhode Island || Republican || 1953–present
|-
| {{sortname|Jerome B.|Chaffee}} || 1876–1879 || 3 || Colorado || Republican || 1825–1886
|-
| {{sortname|Joseph W.|Chalmers}} || 1845–1847 || 2 || Mississippi || Democratic || 1806–1853
|-
| {{sortname|George E.|Chamberlain}} || 1909–1921 || 3 || Oregon || Democratic || 1854–1928
|-
| {{sortname|Ezekiel F.|Chambers}} || 1826–1834 || 3 || Maryland || [[National Republican Party|National Republican]] || 1788–1867
|-
| {{sortname|Henry H.|Chambers}} || 1825–1826 || 3 || Alabama || Democratic || 1790–1867
|-
| {{sortname|Saxby|Chambliss}} || 2003–2015 || 2 || Georgia || Republican || 1943–present
|-
| {{sortname|Christopher G.|Champlin}} || 1809–1811 || 1 || Rhode Island || [[Federalist Party|Federalist]] || 1768–1840
|-
| {{sortname|Happy|Chandler}} || 1939–1945 || 2 || Kentucky || Democratic || 1898–1991
|-
| {{sortname|John|Chandler}} || 1820–1824<br />1824–1829 || 2 || Maine || [[Democratic-Republican Party|Democratic-Republican]]<br />Democratic || 1762–1841
|-
| {{sortname|William E.|Chandler}} || 1887–1889<br />1889–1901 || 2 || New Hampshire || Republican || 1835–1917
|-
| {{sortname|Zachariah|Chandler}} || 1857–1875<br />1879 || 1 || Michigan || Republican || 1813–1879
|-
| {{sortname|Virgil|Chapman}} || 1949–1951 || 2 || Kentucky || Democratic || 1895–1951
|-
| {{sortname|Robert M.|Charlton}} || 1852–1853 || 2 || Georgia || Democratic || 1807–1854
|-
| {{sortname|Dudley|Chase}} || 1813–1817<br />1825–1831 || 3 || Vermont || [[Democratic-Republican Party|Democratic-Republican]]<br />[[National Republican Party|National Republican]] || 1771–1846
|-
| {{sortname|Salmon P.|Chase}} || 1849–1855<br />1861 || 3 || Ohio || [[Free Soil Party|Free Soil]]<br />Republican || 1808–1873
|-
| {{sortname|Dennis|Chávez}} || 1935–1962 || 1 || New Mexico || Democratic || 1888–1962
|-
| {{sortname|Person Colby|Cheney}} || 1886–1887 || 2 || New Hampshire || Republican || 1828–1901
|-
| {{sortname|James|Chesnut Jr.||Chesnut, James Jr.}} || 1858–1860 || 2 || South Carolina || Democratic || 1815–1885
|-
| {{sortname|Jeffrey|Chiesa}} || 2013 || 2 || New Jersey || Republican || 1965–present
|-
| {{sortname|George M.|Chilcott}} || 1882–1883 || 2 || Colorado || Republican || 1828–1891
|-
| {{sortname|Lawton|Chiles}} || 1971–1989 || 1 || Florida || Democratic || 1930–1998
|-
| {{sortname|Horace|Chilton}} || 1891–1892<br />1895–1901 || 1<br />2 || Texas || Democratic || 1853–1932
|-
| {{sortname|William E.|Chilton}} || 1911–1917 || 1 || West Virginia || Democratic || 1858–1939
|-
| {{sortname|Nathaniel|Chipman}} || 1797–1803 || 1 || Vermont || [[Federalist Party|Federalist]] || 1752–1843
|-
| {{sortname|Rufus|Choate}} || 1841–1845 || 1 || Massachusetts || [[Whig Party (United States)|Whig]] || 1799–1859
|-
| {{sortname|Isaac P.|Christiancy}} || 1875–1879 || 1 || Michigan || Republican || 1812–1890
|-
| {{sortname|Frank|Church}} || 1957–1981 || 3 || Idaho || Democratic || 1924–1984
|-
| {{sortname|Joseph|Cilley|dab=1791–1887}} || 1846–1847 || 2 || New Hampshire || [[Liberty Party (United States, 1840)|Liberty]] || 1791–1887
|-
| {{sortname|William C. C.|Claiborne}} || 1817 || 2 || Louisiana || [[Democratic-Republican Party|Democratic-Republican]] || 1772–1817
|-
| {{sortname|Moses E.|Clapp}} || 1901–1917 || 1 || Minnesota || Republican || 1851–1929
|-
| {{sortname|Bennett Champ|Clark}} || 1933–1945 || 3 || Missouri || Democratic || 1890–1954
|-
| {{sortname|Clarence D.|Clark}} || 1895–1917 || 1 || Wyoming || Republican || 1851–1930
|-
| {{sortname|D. Worth|Clark}} || 1939–1945 || 3 || Idaho || Democratic || 1902–1955
|-
| {{sortname|Daniel|Clark|dab=New Hampshire politician}} || 1857–1866 || 3 || New Hampshire || Republican || 1809–1891
|-
| {{sortname|Dick|Clark|dab=Iowa politician}} || 1973–1979 || 2 || Iowa || Democratic || 1928–2023
|-
| {{sortname|Joseph S.|Clark Jr.||Clark, Joseph S. Jr.}} || 1957–1969 || 3 || Pennsylvania || Democratic || 1901–1990
|-
| {{sortname|William A.|Clark}} || 1899–1900<br />1901–1907 || 1<br />2 || Montana || Democratic || 1839–1925
|-
| {{sortname|James P.|Clarke}} || 1903–1916 || 3 || Arkansas || Democratic || 1854–1916
|-
| {{sortname|John Hopkins|Clarke}} || 1847–1853 || 2 || Rhode Island || [[Whig Party (United States)|Whig]] || 1789–1870
|-
| {{sortname|Alexander S.|Clay}} || 1897–1910 || 3 || Georgia || Democratic || 1853–1910
|-
| {{sortname|Clement Claiborne|Clay}} || 1853–1861 || 2 || Alabama || Democratic || 1816–1882
|-
| {{sortname|Clement Comer|Clay}} || 1837–1841 || 3 || Alabama || Democratic || 1789–1866
|-
| {{sortname|Henry|Clay}} || 1806–1807<br />1810–1811<br />1831–1832<br />1832–1842<br />1849–1852 || 3<br />2<br />3<br />3<br />3 || Kentucky || [[Democratic-Republican Party|Democratic-Republican]]<br />[[Democratic-Republican Party|Democratic-Republican]]<br />[[National Republican Party|National Republican]]<br />[[Whig Party (United States)|Whig]]<br />[[Whig Party (United States)|Whig]] || 1777–1852
|-
| {{sortname|John M.|Clayton}} || 1829–1836<br />1845–1849<br />1853–1855<br />1855–1856 || 2<br />1<br />2<br />2 || Delaware || [[National Republican Party|National Republican]]<br />[[Whig Party (United States)|Whig]]<br />[[Whig Party (United States)|Whig]]<br />[[Opposition Party (Northern U.S.)|Opposition]] || 1796–1856
|-
| {{sortname|Joshua|Clayton}} || 1798 || 2 || Delaware || [[Federalist Party|Federalist]] || 1744–1798
|-
| {{sortname|Powell|Clayton}} || 1871–1877 || 2 || Arkansas || Republican || 1833–1914
|-
| {{sortname|Thomas|Clayton}} || 1824–1825<br />1825–1827<br />1837–1847 || 1<br />1<br />2 || Delaware || [[Federalist Party|Federalist]]<br />[[National Republican Party|National Republican]]<br />[[Whig Party (United States)|Whig]] || 1777–1854
|-
| {{sortname|Max|Cleland}} || 1997–2003 || 2 || Georgia || Democratic || 1942–2021
|-
| {{sortname|Jeremiah|Clemens}} || 1849–1853 || 2 || Alabama || Democratic || 1814–1865
|-
| {{sortname|Earle|Clements}} || 1950–1957 || 3 || Kentucky || Democratic || 1896–1985
|-
| {{sortname|Thomas L.|Clingman}} || 1858–1861 || 3 || North Carolina || Democratic || 1812–1897
|-
| {{sortname|DeWitt|Clinton}} || 1802–1803 || 3 || New York || [[Democratic-Republican Party|Democratic-Republican]] || 1769–1828
|-
| {{sortname|Hillary|Clinton}} || 2001–2009 || 1 || New York || Democratic || 1947–present
|-
| {{sortname|Dan|Coats}} || 1989–1999<br />2011–2017 || 3 || Indiana || Republican || 1943–present
|-
| {{sortname|Thomas W.|Cobb}} || 1824–1828 || 2 || Georgia || Democratic || 1784–1830
|-
| {{sortname|Tom|Coburn}} || 2005–2015 || 3 || Oklahoma || Republican || 1948–2020
|-
| {{sortname|Thad|Cochran}} || 1978–2018 || 2 || Mississippi || Republican || 1937–2019
|-
| {{sortname|William|Cocke}} || 1796–1797<br />1799–1805 || 1<br />2 || Tennessee || [[Democratic-Republican Party|Democratic-Republican]] || 1748–1828
|-
| {{sortname|Francis|Cockrell}} || 1875–1905 || 1 || Missouri || Democratic || 1834–1915
|-
| {{sortname|John S.|Cohen}} || 1932–1933 || 2 || Georgia || Democratic || 1870–1935
|-
| {{sortname|William|Cohen}} || 1979–1997 || 2 || Maine || Republican || 1940–present
|-
| {{sortname|Richard|Coke}} || 1877–1895 || 2 || Texas || Democratic || 1829–1897
|-
| {{sortname|Cornelius|Cole}} || 1867–1873 || 3 || California || Republican || 1822–1924
|-
| {{sortname|Norm|Coleman}} || 2003–2009 || 2 || Minnesota || Republican || 1949–present
|-
| {{sortname|John E.|Colhoun}} || 1801–1802 || 3 || South Carolina || [[Democratic-Republican Party|Democratic-Republican]] || 1749–1802
|-
| {{sortname|Jacob|Collamer}} || 1855–1857<br />1857–1865 || 3 || Vermont || [[Opposition Party (Northern U.S.)|Opposition]]<br />Republican || 1791–1865
|-
| {{sortname|Alfred H.|Colquitt}} || 1883–1894 || 2 || Georgia || Democratic || 1824–1894
|-
| {{sortname|Walter T.|Colquitt}} || 1843–1848 || 3 || Georgia || Democratic || 1799–1855
|-
| {{sortname|LeBaron B.|Colt}} || 1913–1924 || 2 || Rhode Island || Republican || 1846–1924
|-
| {{sortname|Joseph P.|Comegys}} || 1856–1857 || 2 || Delaware || [[Opposition Party (Northern U.S.)|Opposition]] || 1813–1893
|-
| {{sortname|B. B.|Comer}} || 1920 || 2 || Alabama || Democratic || 1848–1927
|-
| {{sortname|John|Condit}} || 1803–1809<br />1809–1817 || 1<br />2 || New Jersey || [[Democratic-Republican Party|Democratic-Republican]] || 1755–1834
|-
| {{sortname|Omar D.|Conger}} || 1881–1887 || 1 || Michigan || Republican || 1818–1898
|-
| {{sortname|Roscoe|Conkling}} || 1867–1881 || 3 || New York || Republican || 1829–1888
|-
| {{sortname|Tom|Connally}} || 1929–1953 || 1 || Texas || Democratic || 1877–1963
|-
| {{sortname|John|Conness}} || 1863–1869 || 1 || California || Republican || 1821–1909
|-
| {{sortname|Simon B.|Conover}} || 1873–1879 || 3 || Florida || Republican || 1840–1908
|-
| {{sortname|Charles Magill|Conrad}} || 1842–1843 || 3 || Louisiana || [[Whig Party (United States)|Whig]] || 1804–1878
|-
| {{sortname|Kent|Conrad}} || 1987–1992<br />1992–2013 || 3<br />1 || North Dakota || Democratic || 1948–present
|-
| {{sortname|Marlow|Cook}} || 1968–1974 || 3 || Kentucky || Republican || 1926–2016
|-
| {{sortname|Marcus A.|Coolidge}} || 1931–1937 || 2 || Massachusetts || Democratic || 1865–1947
|-
| {{sortname|Henry|Cooper|dab=Tennessee politician}} || 1871–1877 || 2 || Tennessee || Democratic || 1827–1884
|-
| {{sortname|James|Cooper|dab=Pennsylvania politician}} || 1849–1855 || 3 || Pennsylvania || [[Whig Party (United States)|Whig]] || 1810–1863
|-
| {{sortname|John Sherman|Cooper}} || 1946–1949<br />1952–1955<br />1956–1973 || 2 || Kentucky || Republican || 1901–1991
|-
| {{sortname|Royal S.|Copeland}} || 1923–1938 || 1 || New York || Democratic || 1868–1938
|-
| {{sortname|Henry W.|Corbett}} || 1867–1873 || 3 || Oregon || Republican || 1827–1903
|-
| {{sortname|Guy|Cordon}} || 1944–1955 || 2 || Oregon || Republican || 1890–1969
|-
| {{sortname|Bob|Corker}} || 2007–2019 || 1 || Tennessee || Republican || 1952–present
|-
| {{sortname|Thomas|Corwin}} || 1845–1850 || 1 || Ohio || [[Whig Party (United States)|Whig]] || 1794–1865
|-
| {{sortname|Jon|Corzine}} || 2001–2006 || 1 || New Jersey || Democratic || 1947–present
|-
| {{sortname|Edward P.|Costigan}} || 1931–1937 || 2 || Colorado || Democratic || 1874–1939
|-
| {{sortname|Norris|Cotton}} || 1954–1974<br />1975 || 3 || New Hampshire || Republican || 1900–1989
|-
| {{sortname|James|Couzens}} || 1922–1936 || 2 || Michigan || Republican || 1872–1936
|-
| {{sortname|Paul|Coverdell}} || 1993–2000 || 3 || Georgia || Republican || 1939–2000
|-
| {{sortname|Edgar|Cowan}} || 1861–1867 || 3 || Pennsylvania || Republican || 1815–1885
|-
| {{sortname|Mo|Cowan}} || 2013 || 2 || Massachusetts || Democratic || 1969–present
|-
| {{sortname|Samuel C.|Crafts}} || 1842–1843 || 3 || Vermont || [[Whig Party (United States)|Whig]] || 1768–1853
|-
| {{sortname|Aaron H.|Cragin}} || 1865–1877 || 2 || New Hampshire || Republican || 1821–1898
|-
| {{sortname|Larry|Craig}} || 1991–2009 || 2 || Idaho || Republican || 1945–present
|-
| {{sortname|Winthrop M.|Crane}} || 1904–1913 || 2 || Massachusetts || Republican || 1853–1920
|-
| {{sortname|Alan|Cranston}} || 1969–1993 || 3 || California || Democratic || 1914–2000
|-
| {{sortname|Coe I.|Crawford}} || 1909–1915 || 3 || South Dakota || Republican || 1858–1944
|-
| {{sortname|William H.|Crawford}} || 1807–1813 || 2 || Georgia || [[Democratic-Republican Party|Democratic-Republican]] || 1772–1834
|-
| {{sortname|John|Creswell}} || 1865–1867 || 3 || Maryland || Republican || 1828–1891
|-
| {{sortname|Edward D.|Crippa}} || 1954 || 2 || Wyoming || Republican || 1899–1960
|-
| {{sortname|John J.|Crittenden}} || 1817–1819<br />1835–1841<br />1842–1848<br />1855–1861 || 2<br />2<br />3<br />3 || Kentucky || [[Democratic-Republican Party|Democratic-Republican]]<br />[[Whig Party (United States)|Whig]]<br />[[Whig Party (United States)|Whig]]<br />[[Know Nothing|American]] || 1787–1863
|-
| {{sortname|William E.|Crow}} || 1921–1922 || 1 || Pennsylvania || Republican || 1870–1922
|-
| {{sortname|Robert|Crozier}} || 1873–1874 || 2 || Kansas || Republican || 1827–1895
|-
| {{sortname|Charles A.|Culberson}} || 1899–1923 || 1 || Texas || Democratic || 1855–1925
|-
| {{sortname|Shelby M.|Cullom}} || 1883–1913 || 2 || Illinois || Republican || 1829–1914
|-
| {{sortname|John|Culver}} || 1975–1981 || 3 || Iowa || Democratic || 1932–2018
|-
| {{sortname|Albert B.|Cummins}} || 1908–1926 || 3 || Iowa || Republican || 1850–1926
|-
| {{sortname|Carl|Curtis}} || 1955–1979 || 2 || Nebraska || Republican || 1905–2000
|-
| {{sortname|Charles|Curtis}} || 1907–1913<br />1915–1929 || 2<br />3 || Kansas || Republican || 1860–1936
|-
| {{sortname|Alfred|Cuthbert}} || 1835–1843 || 3 || Georgia || Democratic || 1785–1856
|-
| {{sortname|Bronson M.|Cutting}} || 1927–1928<br />1929–1935 || 1 || New Mexico || Republican || 1888–1935
|-
| {{sortname|Charles|Cutts}} || 1810–1813 || 3 || New Hampshire || [[Democratic-Republican Party|Democratic-Republican]] || 1769–1846
|-
| {{sortname|Al|D'Amato}} || 1981–1999 || 3 || New York || Republican || 1937–present
|-
| {{sortname|David|Daggett}} || 1813–1819 || 3 || Connecticut || [[Federalist Party|Federalist]] || 1764–1851
|-
| {{sortname|Porter H.|Dale}} || 1923–1933 || 3 || Vermont || Republican || 1867–1933
|-
| {{sortname|George M.|Dallas}} || 1831–1833 || 1 || Pennsylvania || Democratic || 1792–1864
|-
| {{sortname|Tristram|Dalton}} || 1789–1791 || 1 || Massachusetts || [[Federalist Party|Federalist]] || 1738–1817
|-
| {{sortname|Judah|Dana}} || 1836–1837 || 1 || Maine || Democratic || 1772–1845
|-
| {{sortname|Samuel W.|Dana}} || 1810–1821 || 1 || Connecticut || [[Federalist Party|Federalist]] || 1760–1830
|-
| {{sortname|John A.|Danaher}} || 1939–1945 || 3 || Connecticut || Republican || 1899–1990
|-
| {{sortname|John|Danforth}} || 1977–1995 || 1 || Missouri || Republican || 1936–present
|-
| {{sortname|Charles E.|Daniel}} || 1954 || 2 || South Carolina || Democratic || 1895–1964
|-
| {{sortname|John W.|Daniel}} || 1887–1910 || 1 || Virginia || Democratic || 1842–1910
|-
| {{sortname|Price|Daniel}} || 1953–1957 || 1 || Texas || Democratic || 1910–1988
|-
| {{sortname|Harry|Darby}} || 1949–1950 || 3 || Kansas || Republican || 1895–1987
|-
| {{sortname|Tom|Daschle}} || 1987–2005 || 3 || South Dakota || Democratic || 1947–present
|-
| {{sortname|Franklin|Davenport}} || 1798–1799 || 1 || New Jersey || [[Federalist Party|Federalist]] || 1755–1832
|-
| {{sortname|Cushman K.|Davis}} || 1887–1900 || 1 || Minnesota || Republican || 1838–1900
|-
| {{sortname|David|Davis|dab=Supreme Court justice}} || 1877–1883 || 2 || Illinois || Independent || 1815–1886
|-
| {{sortname|Garrett|Davis}} || 1861–1872 || 3 || Kentucky || Democratic || 1801–1872
|-
| {{sortname|Henry G.|Davis}} || 1871–1883 || 2 || West Virginia || Democratic || 1823–1916
|-
| {{sortname|James J.|Davis}} || 1930–1945 || 3 || Pennsylvania || Republican || 1873–1947
|-
| {{sortname|Jeff|Davis|dab=Arkansas politician}} || 1907–1913 || 2 || Arkansas || Democratic || 1862–1913
|-
| {{sortname|Jefferson|Davis}} || 1847–1851<br />1857–1861 || 1 || Mississippi || Democratic || 1807/1808–1889
|-
| {{sortname|John|Davis|dab=Massachusetts governor}} || 1835–1836<br />1836–1841<br />1845–1853 || 2 || Massachusetts || [[National Republican Party|National Republican]]<br />[[Whig Party (United States)|Whig]]<br />[[Whig Party (United States)|Whig]] || 1787–1854
|-
| {{sortname|Henry L.|Dawes}} || 1875–1893 || 1 || Massachusetts || Republican || 1816–1903
|-
| {{sortname|William C.|Dawson}} || 1849–1855 || 3 || Georgia || [[Whig Party (United States)|Whig]] || 1798–1856
|-
| {{sortname|Jonathan|Dayton}} || 1799–1805 || 2 || New Jersey || [[Federalist Party|Federalist]] || 1760–1824
|-
| {{sortname|Mark|Dayton}} || 2001–2007 || 1 || Minnesota || Democratic || 1947–present
|-
| {{sortname|William L.|Dayton}} || 1842–1851 || 1 || New Jersey || [[Whig Party (United States)|Whig]] || 1807–1864
|-
| {{sortname|William F.|De Saussure}} || 1852–1853 || 2 || South Carolina || Democratic || 1792–1870
|-
| {{sortname|William J.|Deboe}} || 1897–1903 || 3 || Kentucky || Republican || 1849–1927
|-
| {{sortname|Dennis|DeConcini}} || 1977–1995 || 1 || Arizona || Democratic || 1937–present
|-
| {{sortname|Jim|DeMint}} || 2005–2013 || 3 || South Carolina || Republican || 1951–present
|-
| {{sortname|Charles S.|Deneen}} || 1925–1931 || 2 || Illinois || Republican || 1863–1940
|-
| {{sortname|George R.|Dennis}} || 1873–1879 || 3 || Maryland || Democratic || 1822–1882
|-
| {{sortname|Jeremiah|Denton}} || 1981–1987 || 3 || Alabama || Republican || 1924–2014
|-
| {{sortname|Chauncey|Depew}} || 1899–1911 || 1 || New York || Republican || 1834–1928
|-
| {{sortname|Jean Noël|Destréhan}} || 1812 || 2 || Louisiana || [[Democratic-Republican Party|Democratic-Republican]] || 1754–1823
|-
| {{sortname|Mike|DeWine}} || 1995–2007 || 1 || Ohio || Republican || 1947–present
|-
| {{sortname|James|DeWolf}} || 1821–1824<br />1824–1825 || 1 || Rhode Island || [[Democratic-Republican Party|Democratic-Republican]]<br />Democratic || 1764–1837
|-
| {{sortname|Samuel|Dexter}} || 1799–1800 || 2 || Massachusetts || [[Federalist Party|Federalist]] || 1761–1816
|-
| {{sortname|Nathaniel B.|Dial}} || 1919–1925 || 2 || South Carolina || Democratic || 1862–1940
|-
| {{sortname|Charles W. F.|Dick}} || 1904–1911 || 1 || Ohio || Republican || 1858–1945
|-
| {{sortname|Mahlon|Dickerson}} || 1817–1824<br />1824–1829<br />1829–1833 || 2<br />2<br />1 || New Jersey || [[Democratic-Republican Party|Democratic-Republican]]<br />Democratic<br />Democratic || 1770–1853
|-
| {{sortname|Daniel S.|Dickinson}} || 1844–1851 || 1 || New York || Democratic || 1800–1866
|-
| {{sortname|L. J.|Dickinson}} || 1931–1937 || 2 || Iowa || Republican || 1873–1968
|-
| {{sortname|Philemon|Dickinson}} || 1790–1793 || 2 || New Jersey || [[Federalist Party|Federalist]] || 1739–1809
|-
| {{sortname|William H.|Dieterich}} || 1933–1939 || 3 || Illinois || Democratic || 1876–1940
|-
| {{sortname|Charles H.|Dietrich}} || 1901–1905 || 1 || Nebraska || Republican || 1853–1924
|-
| {{sortname|Clarence|Dill}} || 1923–1935 || 1 || Washington || Democratic || 1884–1978
|-
| {{sortname|William P.|Dillingham}} || 1900–1923 || 3 || Vermont || Republican || 1843–1923
|-
| {{sortname|Everett|Dirksen}} || 1951–1969 || 3 || Illinois || Republican || 1896–1969
|-
| {{sortname|John Adams|Dix}} || 1845–1849 || 3 || New York || Democratic || 1798–1879
|-
| {{sortname|Alan J.|Dixon}} || 1981–1993 || 3 || Illinois || Democratic || 1927–2014
|-
| {{sortname|Archibald|Dixon}} || 1852–1855 || 3 || Kentucky || [[Whig Party (United States)|Whig]] || 1802–1876
|-
| {{sortname|James|Dixon}} || 1857–1869 || 1 || Connecticut || Republican || 1814–1873
|-
| {{sortname|Joseph M.|Dixon}} || 1907–1912<br />1912–1913 || 2 || Montana || Republican<br />[[Progressive Party (United States, 1912–1920)|Progressive]] || 1867–1934
|-
| {{sortname|Nathan F.|Dixon I||Dixon, Nathan F. I}} || 1839–1842 || 1 || Rhode Island || [[Whig Party (United States)|Whig]] || 1774–1842
|-
| {{sortname|Nathan F.|Dixon III||Dixon, Nathan F. III}} || 1889–1895 || 2 || Rhode Island || Republican || 1847–1897
|-
| {{sortname|Chris|Dodd}} || 1981–2011 || 3 || Connecticut || Democratic || 1944–present
|-
| {{sortname|Thomas J.|Dodd}} || 1959–1971 || 1 || Connecticut || Democratic || 1907–1971
|-
| {{sortname|Augustus C.|Dodge}} || 1846–1855 || 3 || Iowa || Democratic || 1812–1883
|-
| {{sortname|Henry|Dodge}} || 1848–1857 || 1 || Wisconsin || Democratic || 1782–1867
|-
| {{sortname|Bob|Dole}} || 1969–1996 || 3 || Kansas || Republican || 1923–2021
|-
| {{sortname|Elizabeth|Dole}} || 2003–2009 || 2 || North Carolina || Republican || 1936–present
|-
| {{sortname|Jonathan P.|Dolliver}} || 1900–1910 || 2 || Iowa || Republican || 1858–1910
|-
| {{sortname|Joseph N.|Dolph}} || 1883–1895 || 2 || Oregon || Republican || 1835–1897
|-
| {{sortname|Pete|Domenici}} || 1973–2009 || 2 || New Mexico || Republican || 1932–2017
|-
| {{sortname|Peter H.|Dominick}} || 1963–1975 || 3 || Colorado || Republican || 1915–1981
|-
| {{sortname|Vic|Donahey}} || 1935–1941 || 1 || Ohio || Democratic || 1873–1946
|-
| {{sortname|Forrest C.|Donnell}} || 1945–1951 || 3 || Missouri || Republican || 1884–1980
|-
| {{sortname|Joe|Donnelly}} || 2013–2019 || 1 || Indiana || Democratic || 1955–present
|-
| {{sortname|James R.|Doolittle}} || 1857–1869 || 1 || Wisconsin || Republican || 1815–1897
|-
| {{sortname|Byron|Dorgan}} || 1992–2011 || 3 || North Dakota || Democratic || 1942–present
|-
| {{sortname|Stephen W.|Dorsey}} || 1873–1879 || 3 || Arkansas || Republican || 1842–1916
|-
| {{sortname|Paul|Douglas|dab=Illinois politician}} || 1949–1967 || 2 || Illinois || Democratic || 1892–1976
|-
| {{sortname|Stephen A.|Douglas}} || 1847–1861 || 2 || Illinois || Democratic || 1813–1861
|-
| {{sortname|Sheridan|Downey}} || 1939–1950 || 3 || California || Democratic || 1884–1961
|-
| {{sortname|Solomon W.|Downs}} || 1847–1853 || 2 || Louisiana || Democratic || 1801–1854
|-
| {{sortname|Wall|Doxey}} || 1941–1943 || 2 || Mississippi || Democratic || 1892–1962
|-
| {{sortname|Charles D.|Drake}} || 1867–1870 || 3 || Missouri || Republican || 1811–1892
|-
| {{sortname|Irving W.|Drew}} || 1918 || 3 || New Hampshire || Republican || 1845–1922
|-
| {{sortname|John F.|Dryden}} || 1902–1907 || 2 || New Jersey || Republican || 1839–1911
|-
| {{sortname|Henry A.|du Pont}} || 1906–1917 || 1 || Delaware || Republican || 1838–1926
|-
| {{sortname|T. Coleman|du Pont}} || 1921–1922<br />1925–1928 || 1<br />2 || Delaware || Republican || 1863–1930
|-
| {{sortname|Fred|Dubois}} || 1891–1896<br />1896–1897<br />1901–1907 || 3<br />3<br />2 || Idaho || Republican<br />[[Silver Republican Party|Silver Republican]]<br />Democratic || 1851–1930
|-
| {{sortname|Charles E.|Dudley}} || 1829–1833 || 1 || New York || Democratic || 1780–1841
|-
| {{sortname|James H.|Duff}} || 1951–1957 || 3 || Pennsylvania || Republican || 1883–1969
|-
| {{sortname|F. Ryan|Duffy}} || 1933–1939 || 3 || Wisconsin || Democratic || 1888–1979
|-
| {{sortname|John Foster|Dulles}} || 1949 || 3 || New York || Republican || 1888–1959
|-
| {{sortname|David|Durenberger}} || 1978–1995 || 1 || Minnesota || Republican || 1934–2023
|-
| {{sortname|Charles|Durkee}} || 1855–1861 || 3 || Wisconsin || Republican || 1805–1870
|-
| {{sortname|John A.|Durkin}} || 1975–1980 || 3 || New Hampshire || Democratic || 1936–2012
|-
| {{sortname|Henry|Dworshak}} || 1946–1949<br />1949–1962 || 2 || Idaho || Republican || 1894–1962
|-
| {{sortname|Thomas|Eagleton}} || 1969–1987 || 3 || Missouri || Democratic || 1929–2007
|-
| {{sortname|Joseph H.|Earle}} || 1897 || 3 || South Carolina || Democratic || 1847–1897
|-
| {{sortname|John P.|East}} || 1981–1986 || 3 || North Carolina || Republican || 1931–1986
|-
| {{sortname|James|Eastland}} || data-sort-value="1941–1941" | 1941<br />1943–1978 || 2 || Mississippi || Democratic || 1904–1986
|-
| {{sortname|John|Eaton|dab=politician}} || 1818–1821<br />1821–1829 || 1 || Tennessee || [[Democratic-Republican Party|Democratic-Republican]] || 1790–1856
|-
| {{sortname|William W.|Eaton}} || 1875–1881 || 1 || Connecticut || Democratic || 1816–1898
|-
| {{sortname|Zales|Ecton}} || 1947–1953 || 1 || Montana || Republican || 1898–1961
|-
| {{sortname|Walter E.|Edge}} || 1919–1929 || 2 || New Jersey || Republican || 1873–1956
|-
| {{sortname|Alonzo J.|Edgerton}} || 1881 || 2 || Minnesota || Republican || 1827–1896
|-
| {{sortname|J. Howard|Edmondson}} || 1963–1964 || 2 || Oklahoma || Democratic || 1925–1971
|-
| {{sortname|George F.|Edmunds}} || 1866–1891 || 1 || Vermont || Republican || 1828–1919
|-
| {{sortname|Edward I.|Edwards}} || 1923–1929 || 1 || New Jersey || Democratic || 1863–1931
|-
| {{sortname|Elaine|Edwards}} || 1972 || 2 || Louisiana || Democratic || 1929–2018
|-
| {{sortname|Henry W.|Edwards}} || 1823–1827 || 1 || Connecticut || Democratic || 1779–1847
|-
| {{sortname|John|Edwards|dab=Kentucky politician}} || 1792–1795 || 3 || Kentucky || [[Democratic-Republican Party|Democratic-Republican]] || 1748–1837
|-
| {{sortname|John|Edwards}} || 1999–2005 || 3 || North Carolina || Democratic || 1953–present
|-
| {{sortname|Ninian|Edwards}} || 1818–1824 || 3 || Illinois || [[Democratic-Republican Party|Democratic-Republican]] || 1775–1833
|-
| {{sortname|Davis|Elkins}} || data-sort-value="1911–1911" | 1911<br />1919–1925 || 2 || West Virginia || Republican || 1876–1959
|-
| {{sortname|Stephen B.|Elkins}} || 1895–1911 || 2 || West Virginia || Republican || 1841–1911
|-
| {{sortname|Allen J.|Ellender}} || 1937–1972 || 2 || Louisiana || Democratic || 1890–1972
|-
| {{sortname|Christopher|Ellery}} || 1801–1805 || 2 || Rhode Island || [[Democratic-Republican Party|Democratic-Republican]] || 1769–1840
|-
| {{sortname|John|Elliott|dab=Georgia politician}} || 1819–1825 || 3 || Georgia || [[Democratic-Republican Party|Democratic-Republican]] || 1773–1827
|-
| {{sortname|Powhatan|Ellis}} || 1825–1826<br />1827–1832 || 1 || Mississippi || Democratic || 1790–1863
|-
| {{sortname|Oliver|Ellsworth}} || 1789–1796 || 1 || Connecticut || [[Federalist Party|Federalist]] || 1745–1807
|-
| {{sortname|Jonathan|Elmer}} || 1789–1791 || 1 || New Jersey || [[Federalist Party|Federalist]] || 1745–1817
|-
| {{sortname|Franklin H.|Elmore}} || 1850 || 2 || South Carolina || Democratic || 1799–1850
|-
| {{sortname|Clair|Engle}} || 1959–1964 || 1 || California || Democratic || 1911–1964
|-
| {{sortname|James E.|English}} || 1875–1876 || 3 || Connecticut || Democratic || 1812–1890
|-
| {{sortname|John|Ensign}} || 2001–2011 || 1 || Nevada || Republican || 1958–present
|-
| {{sortname|Mike|Enzi}} || 1997–2021 || 2 || Wyoming || Republican || 1944–2021
|-
| {{sortname|John Wayles|Eppes}} || 1817–1819 || 2 || Virginia || [[Democratic-Republican Party|Democratic-Republican]] || 1773–1823
|-
| {{sortname|John E.|Erickson|dab=Montana politician}} || 1933–1934 || 2 || Montana || Democratic || 1863–1946
|-
| {{sortname|Richard P.|Ernst}} || 1921–1927 || 3 || Kentucky || Republican || 1858–1934
|-
| {{sortname|Sam|Ervin}} || 1954–1974 || 3 || North Carolina || Democratic || 1896–1985
|-
| {{sortname|James B.|Eustis}} || 1876–1879<br />1885–1891 || 3 || Louisiana || Democratic || 1834–1899
|-
| {{sortname|Daniel J.|Evans}} || 1983–1989 || 1 || Washington || Republican || 1925–2024
|-
| {{sortname|George|Evans|dab=American politician}} || 1841–1847 || 2 || Maine || [[Whig Party (United States)|Whig]] || 1797–1867
|-
| {{sortname|Josiah J.|Evans}} || 1853–1858 || 2 || South Carolina || Democratic || 1786–1858
|-
| {{sortname|William M.|Evarts}} || 1885–1891 || 3 || New York || Republican || 1818–1901
|-
| {{sortname|Edward|Everett}} || 1853–1854 || 2 || Massachusetts || [[Whig Party (United States)|Whig]] || 1794–1865
|-
| {{sortname|Thomas|Ewing}} || 1831–1837<br />1850–1851 || 3<br />1 || Ohio || [[National Republican Party|National Republican]]<br />[[Whig Party (United States)|Whig]] || 1789–1871
|-
| {{sortname|William Lee D.|Ewing}} || 1835–1837 || 3 || Illinois || Democratic || 1795–1846
|-
| {{sortname|J. James|Exon}} || 1979–1997 || 2 || Nebraska || Democratic || 1921–2005
|-
| {{sortname|James G.|Fair}} || 1881–1887 || 1 || Nevada || Democratic || 1831–1894
|-
| {{sortname|Charles W.|Fairbanks}} || 1897–1905 || 3 || Indiana || Republican || 1852–1918
|-
| {{sortname|Lauch|Faircloth}} || 1993–1999 || 3 || North Carolina || Republican || 1928–2023
|-
| {{sortname|John|Fairfield}} || 1843–1847 || 1 || Maine || Democratic || 1797–1847
|-
| {{sortname|Albert B.|Fall}} || 1912–1921 || 2 || New Mexico || Republican || 1861–1944
|-
| {{sortname|Paul|Fannin}} || 1965–1977 || 1 || Arizona || Republican || 1907–2002
|-
| {{sortname|James T.|Farley}} || 1879–1885 || 3 || California || Democratic || 1829–1886
|-
| {{sortname|Charles B.|Farwell}} || 1887–1891 || 3 || Illinois || Republican || 1823–1903
|-
| {{sortname|Nathan A.|Farwell}} || 1864–1865 || 2 || Maine || Republican || 1812–1893
|-
| {{sortname|Charles James|Faulkner}} || 1887–1899 || 1 || West Virginia || Democratic || 1847–1929
|-
| {{sortname|William C.|Feazel}} || 1948 || 3 || Louisiana || Democratic || 1895–1965
|-
| {{sortname|Russ|Feingold}} || 1993–2011 || 3 || Wisconsin || Democratic || 1953–present
|-
| {{sortname|Dianne|Feinstein}} || 1992–2023 || 1 || California || Democratic || 1933–2023
|-
| {{sortname|Alpheus|Felch}} || 1847–1853 || 2 || Michigan || Democratic || 1804–1896
|-
| {{sortname|Charles N.|Felton}} || 1891–1893 || 1 || California || Republican || 1832–1914
|-
| {{sortname|Rebecca Latimer|Felton}} || 1922 || 3 || Georgia || Democratic || 1835–1930
|-
| {{sortname|James|Fenner}} || 1805–1807 || 2 || Rhode Island || [[Democratic-Republican Party|Democratic-Republican]] || 1771–1846
|-
| {{sortname|Reuben|Fenton}} || 1869–1872<br />1872–1875 || 1 || New York || Republican<br />[[Liberal Republican Party (United States)|Liberal Republican]] || 1819–1885
|-
| {{sortname|Homer S.|Ferguson}} || 1943–1955 || 2 || Michigan || Republican || 1889–1982
|-
| {{sortname|Bert M.|Fernald}} || 1916–1926 || 2 || Maine || Republican || 1858–1926
|-
| {{sortname|Woodbridge N.|Ferris}} || 1923–1928 || 1 || Michigan || Democratic || 1853–1928
|-
| {{sortname|Orris S.|Ferry}} || 1867–1872<br />1872–1875<br />1875 || 3 || Connecticut || Republican<br />[[Liberal Republican Party (United States)|Liberal Republican]]<br />Republican || 1823–1875
|-
| {{sortname|Thomas W.|Ferry}} || 1871–1883 || 2 || Michigan || Republican || 1827–1896
|-
| {{sortname|Simeon D.|Fess}} || 1923–1935 || 1 || Ohio || Republican || 1861–1936
|-
| {{sortname|William P.|Fessenden}} || 1854–1856<br />1856–1864<br />1865–1869 || 2 || Maine || [[Whig Party (United States)|Whig]]<br />Republican<br />Republican || 1806–1869
|-
| {{sortname|William|Few}} || 1789–1793 || 2 || Georgia || [[Democratic-Republican Party|Democratic-Republican]] || 1748–1828
|-
| {{sortname|Richard Stockton|Field}} || 1862–1863 || 1 || New Jersey || Republican || 1803–1870
|-
| {{sortname|William|Findlay|dab=governor}} || 1821–1824<br />1824–1827 || 1 || Pennsylvania || [[Democratic-Republican Party|Democratic-Republican]]<br />Democratic || 1768–1846
|-
| {{sortname|Hamilton|Fish}} || 1851–1856<br />1856–1857 || 1 || New York || [[Whig Party (United States)|Whig]]<br />Republican || 1808–1893
|-
| {{sortname|James|Fisk|dab=politician}} || 1817–1818 || 3 || Vermont || [[Democratic-Republican Party|Democratic-Republican]] || 1763–1844
|-
| {{sortname|Graham N.|Fitch}} || 1857–1861 || 3 || Indiana || Democratic || 1809–1892
|-
| {{sortname|Peter|Fitzgerald|dab=politician}} || 1999–2005 || 3 || Illinois || Republican || 1960–present
|-
| {{sortname|Thomas|Fitzgerald|dab=American politician}} || 1848–1849 || 1 || Michigan || Democratic || 1796–1855
|-
| {{sortname|Benjamin|Fitzpatrick}} || 1848–1849<br />1853–1855<br />1855–1861 || 2<br />3<br />3 || Alabama || Democratic || 1802–1869
|-
| {{sortname|Jeff|Flake}} || 2013–2019 || 1 || Arizona || Republican || 1962–present
|-
| {{sortname|J. W.|Flanagan}} || 1870–1875 || 1 || Texas || Republican || 1805–1887
|-
| {{sortname|Ralph|Flanders}} || 1946–1959 || 1 || Vermont || Republican || 1880–1970
|-
| {{sortname|Duncan U.|Fletcher}} || 1909–1936 || 3 || Florida || Democratic || 1859–1936
|-
| {{sortname|Frank|Flint}} || 1905–1911 || 1 || California || Republican || 1862–1929
|-
| {{sortname|George G.|Fogg}} || 1866–1867 || 3 || New Hampshire || Republican || 1813–1881
|-
| {{sortname|Hiram|Fong}} || 1959–1977 || 1 || Hawaii || Republican || 1906–2004
|-
| {{sortname|Samuel A.|Foot}} || 1827–1833 || 1 || Connecticut || [[National Republican Party|National Republican]] || 1780–1846
|-
| {{sortname|Solomon|Foot}} || 1851–1856<br />1856–1866 || 1 || Vermont || [[Whig Party (United States)|Whig]]<br />Republican || 1802–1866
|-
| {{sortname|Henry S.|Foote}} || 1847–1852 || 2 || Mississippi || Democratic || 1804–1880
|-
| {{sortname|Joseph B.|Foraker}} || 1897–1909 || 3 || Ohio || Republican || 1846–1917
|-
| {{sortname|Wendell|Ford}} || 1974–1999 || 3 || Kentucky || Democratic || 1924–2015
|-
| {{sortname|John|Forsyth|dab=politician}} || 1818–1819<br />1829–1834 || 2<br />3 || Georgia || [[Democratic-Republican Party|Democratic-Republican]]<br />Democratic || 1780–1841
|-
| {{sortname|Addison G.|Foster}} || 1899–1905 || 1 || Washington || Republican || 1837–1917
|-
| {{sortname|Dwight|Foster|dab=politician, born 1757}} || 1800–1803 || 2 || Massachusetts || [[Federalist Party|Federalist]] || 1757–1823
|-
| {{sortname|Ephraim H.|Foster}} || 1838–1839<br />1843–1845 || 1 || Tennessee || [[Whig Party (United States)|Whig]] || 1794–1854
|-
| {{sortname|Henry A.|Foster}} || 1844–1845 || 3 || New York || Democratic || 1800–1889
|-
| {{sortname|Lafayette S.|Foster}} || 1855–1856<br />1856–1867 || 3 || Connecticut || [[Whig Party (United States)|Whig]]<br />Republican || 1806–1880
|-
| {{sortname|Murphy J.|Foster}} || 1901–1913 || 2 || Louisiana || Democratic || 1849–1921
|-
| {{sortname|Theodore|Foster}} || 1790–1801<br />1801–1803 || 1 || Rhode Island || [[Federalist Party|Federalist]]<br />[[Democratic-Republican Party|Democratic-Republican]] || 1752–1828
|-
| {{sortname|Joseph S.|Fowler}} || 1866–1871 || 2 || Tennessee || Republican || 1820–1902
|-
| {{sortname|Wyche|Fowler}} || 1987–1993 || 3 || Georgia || Democratic || 1940–present
|-
| {{sortname|Sheila|Frahm}} || 1996 || 3 || Kansas || Republican || 1945–present
|-
| {{sortname|Joseph I.|France}} || 1917–1923 || 1 || Maryland || Republican || 1873–1939
|-
| {{sortname|John Brown|Francis}} || 1844–1845 || 1 || Rhode Island || [[Law and Order Party of Rhode Island|Law and Order]] || 1791–1864
|-
| {{sortname|Al|Franken}} || 2009–2018 || 2 || Minnesota || Democratic || 1951–present
|-
| {{sortname|Jesse|Franklin}} || 1799–1805<br />1807–1813 || 2<br />3 || North Carolina || [[Democratic-Republican Party|Democratic-Republican]] || 1760–1823
|-
| {{sortname|James B.|Frazier}} || 1905–1911 || 1 || Tennessee || Democratic || 1856–1937
|-
| {{sortname|Lynn|Frazier}} || 1923–1941 || 1 || North Dakota || Republican || 1874–1947
|-
| {{sortname|J. Allen|Frear Jr.||Frear, J. Allen Jr.}} || 1949–1961 || 2 || Delaware || Democratic || 1903–1993
|-
| {{sortname|Frederick|Frelinghuysen|dab=general}} || 1793–1796 || 2 || New Jersey || [[Federalist Party|Federalist]] || 1753–1804
|-
| {{sortname|Frederick T.|Frelinghuysen}} || 1866–1869<br />1871–1877 || 1<br />2 || New Jersey || Republican || 1817–1885
|-
| {{sortname|Joseph S.|Frelinghuysen Sr.||Frelinghuysen, Joseph S. Sr.}} || 1917–1923 || 1 || New Jersey || Republican || 1869–1948
|-
| {{sortname|Theodore|Frelinghuysen}} || 1829–1835 || 2 || New Jersey || [[National Republican Party|National Republican]] || 1787–1862
|-
| {{sortname|John C.|Frémont}} || 1850–1851 || 1 || California || Republican || 1813–1890
|-
| {{sortname|Bill|Frist}} || 1995–2007 || 1 || Tennessee || Republican || 1952–present
|-
| {{sortname|Eligius|Fromentin}} || 1813–1819 || 3 || Louisiana || [[Democratic-Republican Party|Democratic-Republican]] || 1767–1822
|-
| {{sortname|William P.|Frye}} || 1881–1911 || 2 || Maine || Republican || 1830–1911
|-
| {{sortname|J. William|Fulbright}} || 1945–1974 || 3 || Arkansas || Democratic || 1905–1995
|-
| {{sortname|Charles W.|Fulton}} || 1903–1909 || 3 || Oregon || Republican || 1853–1918
|-
| {{sortname|William S.|Fulton}} || 1836–1844 || 2 || Arkansas || Democratic || 1795–1844
|-
| {{sortname|John|Gaillard}} || 1805–1824<br />1824–1826 || 3 || South Carolina || [[Democratic-Republican Party|Democratic-Republican]]<br />Democratic || 1765–1826
|-
| {{sortname|Albert|Gallatin}} || 1793–1794 || 1 || Pennsylvania || [[Democratic-Republican Party|Democratic-Republican]] || 1761–1849
|-
| {{sortname|Jacob H.|Gallinger}} || 1891–1918 || 3 || New Hampshire || Republican || 1837–1918
|-
| {{sortname|Robert J.|Gamble}} || 1901–1913 || 2 || South Dakota || Republican || 1851–1924
|-
| {{sortname|David H.|Gambrell}} || 1971–1972 || 2 || Georgia || Democratic || 1929–2021
|-
| {{sortname|Cory|Gardner}} || 2015–2021 || 2 || Colorado || Republican || 1974–present
|-
| {{sortname|Obadiah|Gardner}} || 1911–1913 || 2 || Maine || Democratic || 1852–1938
|-
| {{sortname|Augustus H.|Garland}} || 1877–1885 || 2 || Arkansas || Democratic || 1832–1899
|-
| {{sortname|Jake|Garn}} || 1974–1993 || 3 || Utah || Republican || 1932–present
|-
| {{sortname|Frank B.|Gary}} || 1908–1909 || 3 || South Carolina || Democratic || 1860–1922
|-
| {{sortname|Edward J.|Gay|dab=politician, born 1878}} || 1918–1921 || 3 || Louisiana || Democratic || 1878–1952
|-
| {{sortname|John H.|Gear}} || 1895–1900 || 2 || Iowa || Republican || 1825–1900
|-
| {{sortname|John M.|Gearin}} || 1905–1907 || 2 || Oregon || Democratic || 1851–1930
|-
| {{sortname|James Z.|George}} || 1881–1897 || 1 || Mississippi || Democratic || 1826–1897
|-
| {{sortname|Walter F.|George}} || 1922–1957 || 3 || Georgia || Democratic || 1878–1957
|-
| {{sortname|Obadiah|German}} || 1809–1815 || 1 || New York || [[Democratic-Republican Party|Democratic-Republican]] || 1766–1842
|-
| {{sortname|Peter G.|Gerry}} || 1917–1929<br />1935–1947 || 1 || Rhode Island || Democratic || 1879–1957
|-
| {{sortname|Henry S.|Geyer}} || 1851–1855<br />1855–1857 || 1 || Missouri || [[Whig Party (United States)|Whig]]<br />Democratic || 1790–1859
|-
| {{sortname|Charles H.|Gibson}} || 1891–1897 || 3 || Maryland || Democratic || 1842–1900
|-
| {{sortname|Ernest W.|Gibson}} || 1933–1940 || 3 || Vermont || Republican || 1872–1940
|-
| {{sortname|Ernest W.|Gibson Jr.||Gibson, Ernest W. Jr.}} || 1940–1941 || 3 || Vermont || Republican || 1901–1969
|-
| {{sortname|Paris|Gibson}} || 1901–1905 || 1 || Montana || Democratic || 1830–1920
|-
| {{sortname|Randall L.|Gibson}} || 1883–1892 || 2 || Louisiana || Democratic || 1832–1892
|-
| {{sortname|Abijah|Gilbert}} || 1869–1875 || 1 || Florida || Republican || 1806–1881
|-
| {{sortname|William Branch|Giles}} || data-sort-value="1804–1804" | 1804<br />1804–1815 || 1<br />2 || Virginia || [[Democratic-Republican Party|Democratic-Republican]] || 1762–1830
|-
| {{sortname|Frederick H.|Gillett}} || 1925–1931 || 2 || Massachusetts || Republican || 1851–1935
|-
| {{sortname|Francis|Gillette}} || 1854–1855 || 3 || Connecticut || [[Free Soil Party|Free Soil]] || 1807–1879
|-
| {{sortname|Guy|Gillette}} || 1936–1945<br />1949–1955 || 3<br />2 || Iowa || Democratic || 1879–1973
|-
| {{sortname|Nicholas|Gilman}} || 1805–1814 || 2 || New Hampshire || [[Democratic-Republican Party|Democratic-Republican]] || 1755–1814
|-
| {{sortname|Carter|Glass}} || 1920–1946 || 2 || Virginia || Democratic || 1858–1946
|-
| {{sortname|John|Glenn}} || 1974–1999 || 3 || Ohio || Democratic || 1921–2016
|-
| {{sortname|Otis F.|Glenn}} || 1928–1933 || 3 || Illinois || Republican || 1879–1959
|-
| {{sortname|Guy D.|Goff}} || 1925–1931 || 2 || West Virginia || Republican || 1866–1933
|-
| {{sortname|Nathan|Goff Jr.||Goff, Nathan Jr.}} || 1913–1919 || 2 || West Virginia || Republican || 1843–1920
|-
| {{sortname|Phillips Lee|Goldsborough}} || 1929–1935 || 1 || Maryland || Republican || 1865–1946
|-
| {{sortname|Robert Henry|Goldsborough}} || 1813–1819<br />1835–1836 || 3 || Maryland || [[Federalist Party|Federalist]]<br />[[National Republican Party|National Republican]] || 1779–1836
|-
| {{sortname|George|Goldthwaite}} || 1871–1877 || 2 || Alabama || Democratic || 1809–1879
|-
| {{sortname|Barry|Goldwater}} || 1953–1965<br />1969–1987 || 1<br />3 || Arizona || Republican || 1909–1998
|-
| {{sortname|Charles|Goodell}} || 1968–1971 || 1 || New York || Republican || 1926–1987
|-
| {{sortname|Benjamin|Goodhue}} || 1796–1800 || 1 || Massachusetts || [[Federalist Party|Federalist]] || 1748–1814
|-
| {{sortname|Frank R.|Gooding}} || 1921–1928 || 3 || Idaho || Republican || 1859–1928
|-
| {{sortname|Chauncey|Goodrich}} || 1807–1813 || 3 || Connecticut || [[Federalist Party|Federalist]] || 1759–1815
|-
| {{sortname|Carte|Goodwin}} || 2010 || 1 || West Virginia || Democratic || 1974–present
|-
| {{sortname|James|Gordon|dab=Mississippi politician}} || 1909–1910 || 2 || Mississippi || Democratic || 1833–1912
|-
| {{sortname|John B.|Gordon}} || 1873–1880<br />1891–1897 || 3 || Georgia || Democratic || 1832–1904
|-
| {{sortname|Al|Gore}} || 1985–1993 || 2 || Tennessee || Democratic || 1948–present
|-
| {{sortname|Albert|Gore Sr.||Gore, Albert Sr.}} || 1953–1971 || 1 || Tennessee || Democratic || 1907–1998
|-
| {{sortname|Christopher|Gore}} || 1813–1816 || 1 || Massachusetts || [[Federalist Party|Federalist]] || 1758–1827
|-
| {{sortname|Thomas|Gore}} || 1907–1921<br />1931–1937 || 3<br />2 || Oklahoma || Democratic || 1870–1949
|-
| {{sortname|Arthur P.|Gorman}} || 1881–1899<br />1903–1906 || 1<br />3 || Maryland || Democratic || 1839–1906
|-
| {{sortname|Slade|Gorton}} || 1981–1987<br />1989–2001 || 3<br />1 || Washington || Republican || 1928–2020
|-
| {{sortname|Charles C.|Gossett}} || 1945–1946 || 2 || Idaho || Democratic || 1888–1974
|-
| {{sortname|Arthur R.|Gould}} || 1926–1931 || 2 || Maine || Republican || 1857–1946
|-
| {{sortname|Bob|Graham}} || 1987–2005 || 3 || Florida || Democratic || 1936–2024
|-
| {{sortname|Frank Porter|Graham}} || 1949–1950 || 2 || North Carolina || Democratic || 1886–1972
|-
| {{sortname|William Alexander|Graham}} || 1840–1843 || 3 || North Carolina || [[Whig Party (United States)|Whig]] || 1804–1875
|-
| {{sortname|Phil|Gramm}} || 1985–2002 || 2 || Texas || Republican || 1942–present
|-
| {{sortname|Elijah S.|Grammer}} || 1932–1933 || 3 || Washington || Republican || 1868–1936
|-
| {{sortname|Rod|Grams}} || 1995–2001 || 1 || Minnesota || Republican || 1948–2013
|-
| {{sortname|Mike|Gravel}} || 1969–1981 || 3 || Alaska || Democratic || 1930–2021
|-
| {{sortname|Dixie Bibb|Graves}} || 1937–1938 || 3 || Alabama || Democratic || 1882–1965
|-
| {{sortname|George|Gray|dab=Delaware politician}} || 1885–1899 || 1 || Delaware || Democratic || 1840–1925
|-
| {{sortname|William|Grayson}} || 1789–1790 || 1 || Virginia || [[Democratic-Republican Party|Democratic-Republican]] || 1740–1790
|-
| {{sortname|James S.|Green}} || 1857–1861 || 3 || Missouri || Democratic || 1817–1870
|-
| {{sortname|Theodore F.|Green}} || 1937–1961 || 2 || Rhode Island || Democratic || 1867–1966
|-
| {{sortname|Albert C.|Greene}} || 1845–1851 || 1 || Rhode Island || [[Whig Party (United States)|Whig]] || 1792–1863
|-
| {{sortname|Frank L.|Greene}} || 1923–1930 || 1 || Vermont || Republican || 1870–1930
|-
| {{sortname|Ray|Greene|dab=politician}} || 1797–1801 || 2 || Rhode Island || [[Federalist Party|Federalist]] || 1765–1849
|-
| {{sortname|Andrew|Gregg}} || 1807–1813 || 3 || Pennsylvania || [[Democratic-Republican Party|Democratic-Republican]] || 1755–1835
|-
| {{sortname|Judd|Gregg}} || 1993–2011 || 3 || New Hampshire || Republican || 1947–present
|-
| {{sortname|Robert P.|Griffin}} || 1966–1979 || 2 || Michigan || Republican || 1923–2015
|-
| {{sortname|James W.|Grimes}} || 1859–1869 || 2 || Iowa || Republican || 1816–1872
|-
| {{sortname|Dwight|Griswold}} || 1952–1954 || 2 || Nebraska || Republican || 1893–1954
|-
| {{sortname|Stanley|Griswold}} || 1809 || 3 || Ohio || [[Democratic-Republican Party|Democratic-Republican]] || 1763–1815
|-
| {{sortname|Asle|Gronna}} || 1911–1921 || 3 || North Dakota || Republican || 1858–1922
|-
| {{sortname|James Black|Groome}} || 1879–1885 || 3 || Maryland || Democratic || 1838–1893
|-
| {{sortname|La Fayette|Grover}} || 1877–1883 || 2 || Oregon || Democratic || 1823–1911
|-
| {{sortname|Ernest|Gruening}} || 1959–1969 || 3 || Alaska || Democratic || 1887–1974
|-
| {{sortname|Felix|Grundy}} || 1829–1838<br />1839–1840 || 1 || Tennessee || Democratic || 1775–1840
|-
| {{sortname|Joseph R.|Grundy}} || 1929–1930 || 3 || Pennsylvania || Republican || 1863–1961
|-
| {{sortname|Joseph F.|Guffey}} || 1935–1947 || 1 || Pennsylvania || Democratic || 1870–1959
|-
| {{sortname|Simon|Guggenheim}} || 1907–1913 || 2 || Colorado || Republican || 1867–1941
|-
| {{sortname|Walter|Guion}} || 1918 || 3 || Louisiana || Democratic || 1849–1927
|-
| {{sortname|James|Gunn|dab=Georgia politician}} || 1789–1797<br />1797–1801 || 3 || Georgia || [[Democratic-Republican Party|Democratic-Republican]]<br />[[Federalist Party|Federalist]] || 1753–1801
|-
| {{sortname|Chan|Gurney}} || 1939–1951 || 3 || South Dakota || Republican || 1896–1985
|-
| {{sortname|Edward|Gurney}} || 1969–1974 || 3 || Florida || Republican || 1914–1996
|-
| {{sortname|James|Guthrie|dab=Kentucky politician}} || 1865–1868 || 2 || Kentucky || Democratic || 1792–1869
|-
| {{sortname|William M.|Gwin}} || 1850–1855<br />1857–1861 || 3 || California || Democratic || 1805–1885
|-
| {{sortname|Kay|Hagan}} || 2009–2015 || 2 || North Carolina || Democratic || 1953–2019
|-
| {{sortname|Chuck|Hagel}} || 1997–2009 || 2 || Nebraska || Republican || 1946–present
|-
| {{sortname|John S.|Hager}} || 1873–1875 || 1 || California || Democratic || 1818–1890
|-
| {{sortname|Eugene|Hale}} || 1881–1911 || 1 || Maine || Republican || 1836–1918
|-
| {{sortname|Frederick|Hale|dab=American politician}} || 1917–1941 || 1 || Maine || Republican || 1874–1963
|-
| {{sortname|John P.|Hale}} || 1847–1848<br />1848–1853<br />1855–1856<br />1856–1865 || 2 || New Hampshire || [[Independent Democrat]]<br />[[Free Soil Party|Free Soil]]<br />[[Free Soil Party|Free Soil]]<br />Republican || 1806–1873
|-
| {{sortname|Wilton E.|Hall}} || 1944–1945 || 3 || South Carolina || Democratic || 1901–1980
|-
| {{sortname|Morgan C.|Hamilton}} || 1870–1873<br />1873–1875<br />1875–1877 || 2 || Texas || Republican<br />[[Liberal Republican Party (United States)|Liberal Republican]]<br />Republican || 1809–1893
|-
| {{sortname|William T.|Hamilton}} || 1869–1875 || 1 || Maryland || Democratic || 1820–1888
|-
| {{sortname|Hannibal|Hamlin}} || 1848–1856<br />1856–1857<br />1857–1861<br />1869–1881 || 1 || Maine || Democratic<br />Republican<br />Republican<br />Republican || 1809–1891
|-
| {{sortname|James H.|Hammond}} || 1857–1860 || 3 || South Carolina || Democratic || 1807–1864
|-
| {{sortname|Wade|Hampton III||Hampton, Wade III}} || 1879–1891 || 3 || South Carolina || Democratic || 1818–1902
|-
| {{sortname|Mark|Hanna}} || 1897–1904 || 1 || Ohio || Republican || 1837–1904
|-
| {{sortname|Robert|Hanna}} || 1831–1832 || 1 || Indiana || [[National Republican Party|National Republican]] || 1786–1858
|-
| {{sortname|Edward A.|Hannegan}} || 1843–1849 || 3 || Indiana || Democratic || 1807–1859
|-
| {{sortname|Henry C.|Hansbrough}} || 1891–1909 || 3 || North Dakota || Republican || 1848–1933
|-
| {{sortname|Clifford|Hansen}} || 1967–1978 || 2 || Wyoming || Republican || 1912–2009
|-
| {{sortname|Alexander C.|Hanson}} || 1816–1819 || 1 || Maryland || [[Federalist Party|Federalist]] || 1786–1819
|-
| {{sortname|Martin D.|Hardin}} || 1816–1817 || 2 || Kentucky || [[Federalist Party|Federalist]] || 1780–1823
|-
| {{sortname|Benjamin F.|Harding}} || 1862–1865 || 2 || Oregon || Democratic || 1823–1899
|-
| {{sortname|Warren G.|Harding}} || 1915–1921 || 3 || Ohio || Republican || 1865–1923
|-
| {{sortname|Thomas W.|Hardwick}} || 1914–1919 || 2 || Georgia || Democratic || 1872–1944
|-
| {{sortname|Tom|Harkin}} || 1985–2015 || 2 || Iowa || Democratic || 1939–present
|-
| {{sortname|James|Harlan|dab=Iowa politician}} || 1855–1857<br />1857–1865<br />1867–1873 || 3 || Iowa || [[Free Soil Party|Free Soil]]<br />Republican<br />Republican || 1820–1899
|-
| {{sortname|Robert Goodloe|Harper}} || 1816 || 1 || Maryland || [[Federalist Party|Federalist]] || 1765–1825
|-
| {{sortname|William|Harper|dab=South Carolina politician}} || 1826 || 3 || South Carolina || Democratic || 1790–1847
|-
| {{sortname|John W.|Harreld}} || 1921–1927 || 3 || Oklahoma || Republican || 1872–1950
|-
| {{sortname|Fred R.|Harris}} || 1964–1973 || 2 || Oklahoma || Democratic || 1930–2024
|-
| {{sortname|Ira|Harris}} || 1861–1867 || 3 || New York || Republican || 1802–1875
|-
| {{sortname|Isham G.|Harris}} || 1877–1897 || 2 || Tennessee || Democratic || 1818–1897
|-
| {{sortname|John S.|Harris}} || 1868–1871 || 2 || Louisiana || Republican || 1825–1906
|-
| {{sortname|Kamala|Harris}} || 2017–2021 || 3 || California || Democratic || 1964–present
|-
| {{sortname|William A.|Harris|dab=Kansas politician}} || 1897–1903 || 3 || Kansas || [[People's Party (United States)|Populist]] || 1841–1909
|-
| {{sortname|William J.|Harris}} || 1919–1932 || 2 || Georgia || Democratic || 1868–1932
|-
| {{sortname|Benjamin|Harrison}} || 1881–1887 || 1 || Indiana || Republican || 1833–1901
|-
| {{sortname|Pat|Harrison}} || 1919–1941 || 2 || Mississippi || Democratic || 1881–1941
|-
| {{sortname|William Henry|Harrison}} || 1825–1828 || 3 || Ohio || [[National Republican Party|National Republican]] || 1773–1841
|-
| {{sortname|Gary|Hart}} || 1975–1987 || 3 || Colorado || Democratic || 1936–present
|-
| {{sortname|Philip|Hart}} || 1959–1976 || 1 || Michigan || Democratic || 1912–1976
|-
| {{sortname|Thomas C.|Hart}} || 1945–1946 || 1 || Connecticut || Republican || 1877–1971
|-
| {{sortname|Vance|Hartke}} || 1959–1977 || 1 || Indiana || Democratic || 1919–2003
|-
| {{sortname|James M.|Harvey|dab=politician}} || 1874–1877 || 2 || Kansas || Republican || 1833–1894
|-
| {{sortname|Floyd|Haskell}} || 1973–1979 || 2 || Colorado || Democratic || 1916–1998
|-
| {{sortname|Daniel O.|Hastings}} || 1928–1937 || 2 || Delaware || Republican || 1874–1966
|-
| {{sortname|Carl|Hatch}} || 1933–1949 || 2 || New Mexico || Democratic || 1889–1963
|-
| {{sortname|Orrin|Hatch}} || 1977–2019 || 1 || Utah || Republican || 1934–2022
|-
| {{sortname|Henry D.|Hatfield}} || 1929–1935 || 1 || West Virginia || Republican || 1875–1962
|-
| {{sortname|Mark|Hatfield}} || 1967–1997 || 2 || Oregon || Republican || 1922–2011
|-
| {{sortname|Paul G.|Hatfield}} || 1978 || 2 || Montana || Democratic || 1928–2000
|-
| {{sortname|William|Hathaway}} || 1973–1979 || 2 || Maine || Democratic || 1924–2013
|-
| {{sortname|Henry P.|Haun}} || 1859–1860 || 1 || California || Democratic || 1815–1860
|-
| {{sortname|Harry B.|Hawes}} || 1926–1933 || 3 || Missouri || Democratic || 1869–1947
|-
| {{sortname|Albert W.|Hawkes}} || 1943–1949 || 2 || New Jersey || Republican || 1878–1971
|-
| {{sortname|Benjamin|Hawkins}} || 1789–1791<br />1791–1795 || 3 || North Carolina || [[Federalist Party|Federalist]]<br />[[Democratic-Republican Party|Democratic-Republican]] || 1754–1816
|-
| {{sortname|Paula|Hawkins|dab=politician}} || 1981–1987 || 3 || Florida || Republican || 1927–2009
|-
| {{sortname|Joseph R.|Hawley}} || 1881–1905 || 1 || Connecticut || Republican || 1826–1905
|-
| {{sortname|S. I.|Hayakawa}} || 1977–1983 || 1 || California || Republican || 1906–1992
|-
| {{sortname|Carl|Hayden}} || 1927–1969 || 3 || Arizona || Democratic || 1877–1972
|-
| {{sortname|Arthur P.|Hayne}} || 1858 || 2 || South Carolina || Democratic || 1788–1867
|-
| {{sortname|Robert Y.|Hayne}} || 1823–1824<br />1824–1831<br />1831–1832 || 2 || South Carolina || [[Democratic-Republican Party|Democratic-Republican]]<br />Democratic<br />[[Nullifier Party|Nullifier]] || 1791–1839
|-
| {{sortname|Monroe|Hayward}} || 1899 || 1 || Nebraska || Republican || 1840–1899
|-
| {{sortname|William Henry|Haywood Jr.||Haywood, William Henry Jr.}} || 1843–1846 || 3 || North Carolina || Democratic || 1801–1852
|-
| {{sortname|George|Hearst}} || data-sort-value="1886–1886" | 1886<br />1887–1891 || 1 || California || Democratic || 1820–1891
|-
| {{sortname|Felix|Hebert}} || 1929–1935 || 1 || Rhode Island || Republican || 1874–1969
|-
| {{sortname|Chic|Hecht}} || 1983–1989 || 1 || Nevada || Republican || 1928–2006
|-
| {{sortname|Howell|Heflin}} || 1979–1997 || 2 || Alabama || Democratic || 1921–2005
|-
| {{sortname|J. Thomas|Heflin}} || 1920–1931 || 2 || Alabama || Democratic || 1869–1951
|-
| {{sortname|John|Heinz}} || 1977–1991 || 1 || Pennsylvania || Republican || 1938–1991
|-
| {{sortname|John N.|Heiskell}} || 1913 || 2 || Arkansas || Democratic || 1872–1972
|-
| {{sortname|Henry|Heitfeld}} || 1897–1901<br />1901–1903 || 3 || Idaho || [[People's Party (United States)|Populist]]<br />Democratic || 1859–1938
|-
| {{sortname|Heidi|Heitkamp}} || 2013–2019 || 1 || North Dakota || Democratic || 1955–present
|-
| {{sortname|Dean|Heller}} || 2011–2019 || 1 || Nevada || Republican || 1960–present
|-
| {{sortname|Jesse|Helms}} || 1973–2003 || 2 || North Carolina || Republican || 1921–2008
|-
| {{sortname|George|Helmy}} || 2024 || 1 || New Jersey || Democratic || 1979–present
|-
| {{sortname|James A.|Hemenway}} || 1905–1909 || 3 || Indiana || Republican || 1860–1923
|-
| {{sortname|John|Hemphill|dab=senator}} || 1859–1861 || 2 || Texas || Democratic || 1803–1862
|-
| {{sortname|Charles|Henderson|dab=Nevada politician}} || 1918–1921 || 3 || Nevada || Democratic || 1873–1954
|-
| {{sortname|J. Pinckney|Henderson}} || 1857–1858 || 1 || Texas || Democratic || 1808–1858
|-
| {{sortname|John|Henderson|dab=Mississippi politician}} || 1839–1845 || 1 || Mississippi || [[Whig Party (United States)|Whig]] || 1797–1857
|-
| {{sortname|John B.|Henderson}} || 1862–1865<br />1865–1869 || 1 || Missouri || [[Unionist politician (American Civil War)|Union]]<br />Republican || 1826–1913
|-
| {{sortname|Thomas A.|Hendricks}} || 1863–1869 || 1 || Indiana || Democratic || 1819–1885
|-
| {{sortname|William|Hendricks}} || 1825–1837 || 3 || Indiana || [[National Republican Party|National Republican]] || 1782–1850
|-
| {{sortname|Robert C.|Hendrickson}} || 1949–1955 || 2 || New Jersey || Republican || 1898–1964
|-
| {{sortname|Thomas C.|Hennings Jr.||Hennings, Thomas C. Jr.}} || 1951–1960 || 3 || Missouri || Democratic || 1903–1960
|-
| {{sortname|John|Henry|dab=Maryland politician}} || 1789–1797 || 3 || Maryland || [[Federalist Party|Federalist]] || 1750–1798
|-
| {{sortname|Frank|Hereford|dab=politician}} || 1877–1881 || 1 || West Virginia || Democratic || 1825–1891
|-
| {{sortname|Clyde L.|Herring}} || 1937–1943 || 2 || Iowa || Democratic || 1879–1945
|-
| {{sortname|Weldon B.|Heyburn}} || 1903–1912 || 3 || Idaho || Republican || 1852–1912
|-
| {{sortname|Bourke B.|Hickenlooper}} || 1945–1969 || 3 || Iowa || Republican || 1896–1971
|-
| {{sortname|Joe|Hickey|dab=politician}} || 1961–1962 || 2 || Wyoming || Democratic || 1911–1970
|-
| {{sortname|Thomas Holliday|Hicks}} || 1862–1865 || 3 || Maryland || [[Unconditional Union Party|Unconditional Union]] || 1798–1865
|-
| {{sortname|Anthony|Higgins|dab=politician}} || 1889–1895 || 2 || Delaware || Republican || 1840–1912
|-
| {{sortname|Benjamin Harvey|Hill}} || 1877–1882 || 2 || Georgia || Democratic || 1823–1882
|-
| {{sortname|David B.|Hill}} || 1892–1897 || 3 || New York || Democratic || 1843–1910
|-
| {{sortname|Isaac|Hill}} || 1831–1836 || 3 || New Hampshire || Democratic || 1789–1851
|-
| {{sortname|J. Lister|Hill}} || 1938–1969 || 3 || Alabama || Democratic || 1894–1984
|-
| {{sortname|Joshua|Hill|dab=politician}} || 1868–1873 || 3 || Georgia || Republican || 1812–1891
|-
| {{sortname|Nathaniel P.|Hill}} || 1879–1885 || 3 || Colorado || Republican || 1832–1900
|-
| {{sortname|William Luther|Hill}} || 1936 || 3 || Florida || Democratic || 1873–1951
|-
| {{sortname|James|Hillhouse}} || 1796–1810 || 1 || Connecticut || [[Federalist Party|Federalist]] || 1754–1832
|-
| {{sortname|William|Hindman}} || 1800–1801 || 3 || Maryland || [[Federalist Party|Federalist]] || 1743–1822
|-
| {{sortname|Frank|Hiscock}} || 1887–1893 || 1 || New York || Republican || 1834–1914
|-
| {{sortname|Gilbert|Hitchcock}} || 1911–1923 || 1 || Nebraska || Democratic || 1859–1934
|-
| {{sortname|Herbert E.|Hitchcock}} || 1936–1938 || 3 || South Dakota || Democratic || 1867–1958
|-
| {{sortname|Phineas|Hitchcock}} || 1871–1877 || 2 || Nebraska || Republican || 1831–1881
|-
| {{sortname|George F.|Hoar}} || 1877–1904 || 2 || Massachusetts || Republican || 1826–1904
|-
| {{sortname|John Sloss|Hobart}} || 1798 || 1 || New York || [[Federalist Party|Federalist]] || 1738–1805
|-
| {{sortname|John D.|Hoblitzell Jr.||Hoblitzell, John D. Jr.}} || 1958 || 2 || West Virginia || Republican || 1912–1962
|-
| {{sortname|Kaneaster|Hodges Jr.||Hodges, Kaneaster Jr.}} || 1977–1979 || 2 || Arkansas || Democratic || 1938–2022
|-
| {{sortname|Clyde R.|Hoey}} || 1945–1954 || 3 || North Carolina || Democratic || 1877–1954
|-
| {{sortname|Spessard|Holland}} || 1946–1971 || 1 || Florida || Democratic || 1892–1971
|-
| {{sortname|Fritz|Hollings}} || 1966–2005 || 3 || South Carolina || Democratic || 1922–2019
|-
| {{sortname|Henry F.|Hollis}} || 1913–1919 || 2 || New Hampshire || Democratic || 1869–1949
|-
| {{sortname|Rufus C.|Holman}} || 1939–1945 || 3 || Oregon || Republican || 1877–1959
|-
| {{sortname|David|Holmes|dab=politician}} || 1820–1825 || 1 || Mississippi || [[Democratic-Republican Party|Democratic-Republican]] || 1769–1832
|-
| {{sortname|John|Holmes|dab=Maine politician}} || 1820–1824<br />1824–1827<br />1829–1833 || 1 || Maine || [[Democratic-Republican Party|Democratic-Republican]]<br />[[National Republican Party|National Republican]]<br />[[National Republican Party|National Republican]] || 1773–1843
|-
| {{sortname|Rush|Holt Sr.||Holt, Rush Sr.}} || 1935–1941 || 1 || West Virginia || Democratic || 1905–1955
|-
| {{sortname|Albert J.|Hopkins}} || 1903–1909 || 3 || Illinois || Republican || 1846–1922
|-
| {{sortname|Outerbridge|Horsey}} || 1810–1821 || 1 || Delaware || [[Federalist Party|Federalist]] || 1777–1842
|-
| {{sortname|Andrew Jackson|Houston}} || 1941 || 2 || Texas || Democratic || 1854–1941
|-
| {{sortname|George S.|Houston}} || 1879 || 3 || Alabama || Democratic || 1811–1879
|-
| {{sortname|Sam|Houston}} || 1846–1855<br />1855–1859 || 2 || Texas || Democratic<br />[[Know Nothing|American]] || 1793–1863
|-
| {{sortname|Guy V.|Howard}} || 1936–1937 || 2 || Minnesota || Republican || 1879–1954
|-
| {{sortname|Jacob M.|Howard}} || 1862–1871 || 2 || Michigan || Republican || 1805–1871
|-
| {{sortname|John Eager|Howard}} || 1796–1803 || 1 || Maryland || [[Federalist Party|Federalist]] || 1752–1827
|-
| {{sortname|Timothy O.|Howe}} || 1861–1879 || 3 || Wisconsin || Republican || 1816–1883
|-
| {{sortname|James B.|Howell}} || 1870–1871 || 2 || Iowa || Republican || 1816–1880
|-
| {{sortname|Jeremiah B.|Howell}} || 1811–1817 || 2 || Rhode Island || [[Democratic-Republican Party|Democratic-Republican]] || 1771–1822
|-
| {{sortname|Robert B.|Howell}} || 1923–1933 || 1 || Nebraska || Republican || 1864–1933
|-
| {{sortname|Benjamin|Howland}} || 1804–1809 || 1 || Rhode Island || [[Democratic-Republican Party|Democratic-Republican]] || 1755–1821
|-
| {{sortname|Roman|Hruska}} || 1954–1976 || 1 || Nebraska || Republican || 1904–1999
|-
| {{sortname|Henry|Hubbard}} || 1835–1841 || 2 || New Hampshire || Democratic || 1784–1857
|-
| {{sortname|Walter Dee|Huddleston}} || 1973–1985 || 2 || Kentucky || Democratic || 1926–2018
|-
| {{sortname|James W.|Huffman}} || 1945–1946 || 1 || Ohio || Democratic || 1894–1980
|-
| {{sortname|Daniel Elliott|Huger}} || 1843–1845 || 2 || South Carolina || Democratic || 1779–1854
|-
| {{sortname|Charles J.|Hughes Jr.||Hughes, Charles J. Jr.}} || 1909–1911 || 3 || Colorado || Democratic || 1853–1911
|-
| {{sortname|Harold|Hughes}} || 1969–1975 || 3 || Iowa || Democratic || 1922–1996
|-
| {{sortname|James H.|Hughes}} || 1937–1943 || 2 || Delaware || Democratic || 1867–1953
|-
| {{sortname|William|Hughes|dab=senator}} || 1913–1918 || 2 || New Jersey || Democratic || 1872–1918
|-
| {{sortname|Cordell|Hull}} || 1931–1933 || 2 || Tennessee || Democratic || 1871–1955
|-
| {{sortname|Gordon J.|Humphrey}} || 1979–1990 || 2 || New Hampshire || Republican || 1940–present
|-
| {{sortname|Hubert|Humphrey}} || 1949–1964<br />1971–1978 || 2<br />1 || Minnesota || Democratic || 1911–1978
|-
| {{sortname|Muriel|Humphrey}} || 1978 || 1 || Minnesota || Democratic || 1912–1998
|-
| {{sortname|Robert|Humphreys|dab=politician}} || 1956 || 2 || Kentucky || Democratic || 1893–1977
|-
| {{sortname|Lester C.|Hunt}} || 1949–1954 || 2 || Wyoming || Democratic || 1892–1954
|-
| {{sortname|John|Hunter|dab=South Carolina politician}} || 1796–1798 || 2 || South Carolina || [[Democratic-Republican Party|Democratic-Republican]] || 1750–1802
|-
| {{sortname|Richard C.|Hunter}} || 1934–1935 || 1 || Nebraska || Democratic || 1884–1941
|-
| {{sortname|Robert M. T.|Hunter}} || 1847–1861 || 2 || Virginia || Democratic || 1809–1887
|-
| {{sortname|William|Hunter|dab=senator}} || 1811–1821 || 1 || Rhode Island || [[Federalist Party|Federalist]] || 1774–1849
|-
| {{sortname|Jabez W.|Huntington}} || 1840–1847 || 1 || Connecticut || [[Whig Party (United States)|Whig]] || 1788–1847
|-
| {{sortname|Eppa|Hunton}} || 1892–1895 || 2 || Virginia || Democratic || 1822–1908
|-
| {{sortname|Paul O.|Husting}} || 1915–1917 || 3 || Wisconsin || Democratic || 1866–1917
|-
| {{sortname|Tim|Hutchinson}} || 1997–2003 || 2 || Arkansas || Republican || 1949–present
|-
| {{sortname|Kay Bailey|Hutchison}} || 1993–2013 || 1 || Texas || Republican || 1943–present
|-
| {{sortname|John J.|Ingalls}} || 1873–1891 || 3 || Kansas || Republican || 1833–1900
|-
| {{sortname|Jim|Inhofe}} || 1994–2023 || 2 || Oklahoma || Republican || 1934–2024
|-
| {{sortname|Daniel|Inouye}} || 1963–2012 || 3 || Hawaii || Democratic || 1924–2012
|-
| {{sortname|John L. M.|Irby}} || 1891–1897 || 3 || South Carolina || Democratic || 1854–1900
|-
| {{sortname|James|Iredell Jr.||Iredell, James Jr.}} || 1828–1831 || 3 || North Carolina || Democratic || 1788–1853
|-
| {{sortname|Johnny|Isakson}} || 2005–2019 || 3 || Georgia || Republican || 1944–2021
|-
| {{sortname|Alfred|Iverson Sr.||Iverson, Alfred Sr.}} || 1855–1861 || 3 || Georgia || Democratic || 1798–1873
|-
| {{sortname|Irving|Ives}} || 1947–1959 || 1 || New York || Republican || 1896–1962
|-
| {{sortname|Ralph|Izard}} || 1789–1795 || 3 || South Carolina || [[Federalist Party|Federalist]] || 1741/1742–1804
|-
| {{sortname|Andrew|Jackson}} || 1797–1798<br />1823–1825 || 1<br />2 || Tennessee || [[Democratic-Republican Party|Democratic-Republican]] || 1767–1845
|-
| {{sortname|Henry M.|Jackson}} || 1953–1983 || 1 || Washington || Democratic || 1912–1983
|-
| {{sortname|Howell E.|Jackson}} || 1881–1886 || 1 || Tennessee || Democratic || 1832–1895
|-
| {{sortname|James|Jackson|dab=Georgia politician}} || 1793–1795<br />1801–1806 || 2<br />3 || Georgia || [[Democratic-Republican Party|Democratic-Republican]] || 1757–1806
|-
| {{sortname|Samuel D.|Jackson}} || 1944 || 3 || Indiana || Democratic || 1895–1951
|-
| {{sortname|William P.|Jackson}} || 1912–1914 || 1 || Maryland || Republican || 1868–1939
|-
| {{sortname|Charles Tillinghast|James}} || 1851–1857 || 1 || Rhode Island || Democratic || 1805–1862
|-
| {{sortname|Ollie Murray|James}} || 1913–1918 || 2 || Kentucky || Democratic || 1871–1918
|-
| {{sortname|Spencer|Jarnagin}} || 1843–1847 || 2 || Tennessee || [[Whig Party (United States)|Whig]] || 1792–1853
|-
| {{sortname|Thomas J.|Jarvis}} || 1894–1895 || 3 || North Carolina || Democratic || 1836–1915
|-
| {{sortname|Jacob|Javits}} || 1957–1981 || 3 || New York || Republican || 1904–1986
|-
| {{sortname|Jim|Jeffords}} || 1989–2001<br />2001–2007 || 1 || Vermont || Republican<br />Independent || 1934–2014
|-
| {{sortname|William E.|Jenner}} || 1944–1945<br />1947–1959 || 3<br />1 || Indiana || Republican || 1908–1985
|-
| {{sortname|Benning W.|Jenness}} || 1845–1846 || 2 || New Hampshire || Democratic || 1806–1879
|-
| {{sortname|Roger|Jepsen}} || 1979–1985 || 2 || Iowa || Republican || 1928–2020
|-
| {{sortname|Daniel T.|Jewett}} || 1870–1871 || 3 || Missouri || Republican || 1807–1906
|-
| {{sortname|Mike|Johanns}} || 2009–2015 || 2 || Nebraska || Republican || 1950–present
|-
| {{sortname|Andrew|Johnson}} || 1857–1862<br />1875 || 1 || Tennessee || Democratic || 1808–1875
|-
| {{sortname|Charles F.|Johnson}} || 1911–1917 || 1 || Maine || Democratic || 1859–1930
|-
| {{sortname|Edwin C.|Johnson}} || 1937–1955 || 2 || Colorado || Democratic || 1884–1970
|-
| {{sortname|Edwin S.|Johnson}} || 1915–1921 || 3 || South Dakota || Democratic || 1857–1933
|-
| {{sortname|Henry|Johnson|dab=Louisiana politician}} || 1818–1823<br />1823–1824<br />1844–1849 || 2<br />2<br />3 || Louisiana || [[Democratic-Republican Party|Democratic-Republican]]<br />[[National Republican Party|National Republican]]<br />[[Whig Party (United States)|Whig]] || 1783–1864
|-
| {{sortname|Herschel V.|Johnson}} || 1848–1849 || 3 || Georgia || Democratic || 1812–1880
|-
| {{sortname|Hiram|Johnson}} || 1917–1945 || 1 || California || Republican || 1866–1945
|-
| {{sortname|Lyndon B.|Johnson}} || 1949–1961 || 2 || Texas || Democratic || 1908–1973
|-
| {{sortname|Magnus|Johnson}} || 1923–1925 || 2 || Minnesota || [[Minnesota Farmer–Labor Party|Farmer–Labor]] || 1871–1936
|-
| {{sortname|Martin N.|Johnson}} || 1909 || 3 || North Dakota || Republican || 1850–1909
|-
| {{sortname|Reverdy|Johnson}} || 1845–1849<br />1863–1868 || 1 || Maryland || [[Whig Party (United States)|Whig]]<br />Democratic || 1796–1876
|-
| {{sortname|Richard Mentor|Johnson}} || 1819–1824<br />1824–1829 || 2 || Kentucky || [[Democratic-Republican Party|Democratic-Republican]]<br />Democratic || 1780–1850
|-
| {{sortname|Robert Ward|Johnson}} || 1853–1861 || 3 || Arkansas || Democratic || 1814–1879
|-
| {{sortname|Tim|Johnson|dab=South Dakota politician}} || 1997–2015 || 2 || South Dakota || Democratic || 1946–2024
|-
| {{sortname|Waldo P.|Johnson}} || 1861–1862 || 3 || Missouri || Democratic || 1817–1885
|-
| {{sortname|William Samuel|Johnson}} || 1789–1791 || 3 || Connecticut || [[Federalist Party|Federalist]] || 1727–1819
|-
| {{sortname|J. Bennett|Johnston}} || 1972–1997 || 2 || Louisiana || Democratic || 1932–2025
|-
| {{sortname|John W.|Johnston}} || 1870–1871<br />1871–1883 || 2 || Virginia || Democratic || 1818–1889
|-
| {{sortname|Joseph F.|Johnston}} || 1907–1913 || 3 || Alabama || Democratic || 1843–1913
|-
| {{sortname|Josiah S.|Johnston}} || 1824–1833 || 3 || Louisiana || [[National Republican Party|National Republican]] || 1784–1833
|-
| {{sortname|Olin D.|Johnston}} || 1945–1965 || 3 || South Carolina || Democratic || 1896–1965
|-
| {{sortname|Rienzi Melville|Johnston}} || 1913 || 2 || Texas || Democratic || 1849–1926
|-
| {{sortname|Samuel|Johnston}} || 1789–1793 || 2 || North Carolina || [[Federalist Party|Federalist]] || 1733–1816
|-
| {{sortname|Benjamin F.|Jonas}} || 1879–1885 || 3 || Louisiana || Democratic || 1834–1911
|-
| {{sortname|Andrieus A.|Jones}} || 1917–1927 || 1 || New Mexico || Democratic || 1862–1927
|-
| {{sortname|Charles W.|Jones}} || 1875–1887 || 1 || Florida || Democratic || 1834–1897
|-
| {{sortname|Doug|Jones|dab=politician}} || 2018–2021 || 2 || Alabama || Democratic || 1954–present
|-
| {{sortname|George|Jones|dab=Georgia politician}} || 1807 || 2 || Georgia || [[Democratic-Republican Party|Democratic-Republican]] || 1766–1838
|-
| {{sortname|George Wallace|Jones}} || 1848–1859 || 2 || Iowa || Democratic || 1804–1896
|-
| {{sortname|James C.|Jones}} || 1851–1856<br />1856–1857 || 1 || Tennessee || [[Whig Party (United States)|Whig]]<br />Democratic || 1809–1859
|-
| {{sortname|James K.|Jones}} || 1885–1903 || 3 || Arkansas || Democratic || 1839–1908
|-
| {{sortname|John P.|Jones|dab=Nevada politician}} || 1873–1895<br />1895–1901<br />1901–1903 || 3 || Nevada || Republican<br />[[Silver Party|Silverite]]<br />Republican || 1829–1912
|-
| {{sortname|Wesley L.|Jones}} || 1909–1932 || 3 || Washington || Republican || 1863–1932
|-
| {{sortname|B. Everett|Jordan}} || 1958–1973 || 2 || North Carolina || Democratic || 1896–1974
|-
| {{sortname|Leonard B.|Jordan}} || 1962–1973 || 2 || Idaho || Republican || 1899–1983
|-
| {{sortname|Elias|Kane}} || 1825–1835 || 3 || Illinois || Democratic || 1794–1835
|-
| {{sortname|David|Karnes}} || 1987–1989 || 1 || Nebraska || Republican || 1948–2020
|-
| {{sortname|Nancy|Kassebaum}} || 1978–1997 || 2 || Kansas || Republican || 1932–present
|-
| {{sortname|Bob|Kasten}} || 1981–1993 || 3 || Wisconsin || Republican || 1942–present
|-
| {{sortname|Ted|Kaufman}} || 2009–2010 || 2 || Delaware || Democratic || 1939–present
|-
| {{sortname|William Marmaduke|Kavanaugh}} || 1913 || 2 || Arkansas || Democratic || 1866–1915
|-
| {{sortname|Hamilton F.|Kean}} || 1929–1935 || 1 || New Jersey || Republican || 1862–1941
|-
| {{sortname|John|Kean|dab=New Jersey politician}} || 1899–1911 || 1 || New Jersey || Republican || 1852–1914
|-
| {{sortname|Thomas|Kearns}} || 1901–1905 || 1 || Utah || Republican || 1862–1918
|-
| {{sortname|Kenneth|Keating}} || 1959–1965 || 1 || New York || Republican || 1900–1975
|-
| {{sortname|Estes|Kefauver}} || 1949–1963 || 2 || Tennessee || Democratic || 1903–1963
|-
| {{sortname|Frank B.|Kellogg}} || 1917–1923 || 1 || Minnesota || Republican || 1856–1937
|-
| {{sortname|William Pitt|Kellogg}} || 1868–1872<br />1877–1883 || 3<br />2 || Louisiana || Republican || 1830–1918
|-
| {{sortname|James K.|Kelly}} || 1871–1877 || 2 || Oregon || Democratic || 1819–1903
|-
| {{sortname|William|Kelly|dab=Alabama politician}} || 1822–1825 || 3 || Alabama || [[Democratic-Republican Party|Democratic-Republican]] || 1786–1834
|-
| {{sortname|James P.|Kem}} || 1947–1953 || 1 || Missouri || Republican || 1890–1965
|-
| {{sortname|Dirk|Kempthorne}} || 1993–1999 || 3 || Idaho || Republican || 1951–present
|-
| {{sortname|John B.|Kendrick}} || 1917–1933 || 1 || Wyoming || Democratic || 1857–1933
|-
| {{sortname|John E.|Kenna}} || 1883–1893 || 2 || West Virginia || Democratic || 1848–1893
|-
| {{sortname|Anthony|Kennedy|dab=Maryland politician}} || 1857–1863 || 1 || Maryland || [[Know Nothing|American]] || 1810–1892
|-
| {{sortname|John F.|Kennedy}} || 1953–1960 || 1 || Massachusetts || Democratic || 1917–1963
|-
| {{sortname|Robert F.|Kennedy}} || 1965–1968 || 1 || New York || Democratic || 1925–1968
|-
| {{sortname|Ted|Kennedy}} || 1962–2009 || 1 || Massachusetts || Democratic || 1932–2009
|-
| {{sortname|Richard R.|Kenney}} || 1897–1901 || 2 || Delaware || Democratic || 1856–1931
|-
| {{sortname|Joseph|Kent}} || 1833–1837 || 1 || Maryland || [[Whig Party (United States)|Whig]] || 1779–1837
|-
| {{sortname|William S.|Kenyon|dab=Iowa politician}} || 1911–1922 || 2 || Iowa || Republican || 1869–1933
|-
| {{sortname|John W.|Kern}} || 1911–1917 || 1 || Indiana || Democratic || 1849–1917
|-
| {{sortname|Francis|Kernan}} || 1875–1881 || 1 || New York || Democratic || 1816–1892
|-
| {{sortname|John Leeds|Kerr}} || 1841–1843 || 3 || Maryland || [[Whig Party (United States)|Whig]] || 1780–1844
|-
| {{sortname|Joseph|Kerr}} || 1814–1815 || 1 || Ohio || [[Democratic-Republican Party|Democratic-Republican]] || 1765–1837
|-
| {{sortname|Robert S.|Kerr}} || 1949–1963 || 2 || Oklahoma || Democratic || 1896–1963
|-
| {{sortname|Bob|Kerrey}} || 1989–2001 || 1 || Nebraska || Democratic || 1943–present
|-
| {{sortname|John|Kerry}} || 1985–2013 || 2 || Massachusetts || Democratic || 1943–present
|-
| {{sortname|David M.|Key}} || 1875–1877 || 1 || Tennessee || Democratic || 1824–1900
|-
| {{sortname|Henry W.|Keyes}} || 1919–1937 || 2 || New Hampshire || Republican || 1862–1938
|-
| {{sortname|Harley M.|Kilgore}} || 1941–1956 || 1 || West Virginia || Democratic || 1893–1956
|-
| {{sortname|John Pendleton|King}} || 1833–1837 || 2 || Georgia || Democratic || 1799–1888
|-
| {{sortname|Preston|King|dab=politician}} || 1857–1863 || 1 || New York || Republican || 1806–1865
|-
| {{sortname|Rufus|King}} || 1789–1796<br />1813–1825 || 3 || New York || [[Federalist Party|Federalist]] || 1755–1827
|-
| {{sortname|William H.|King}} || 1917–1941 || 1 || Utah || Democratic || 1863–1949
|-
| {{sortname|William R.|King}} || 1819–1844<br />1848–1852 || 2<br />3 || Alabama || Democratic || 1786–1853
|-
| {{sortname|William F.|Kirby}} || 1916–1921 || 3 || Arkansas || Democratic || 1867–1934
|-
| {{sortname|Mark|Kirk}} || 2010–2017 || 3 || Illinois || Republican || 1959–present
|-
| {{sortname|Paul G.|Kirk}} || 2009–2010 || 1 || Massachusetts || Democratic || 1938–present
|-
| {{sortname|Samuel J.|Kirkwood}} || 1866–1867<br />1877–1881 || 3<br />2 || Iowa || Republican || 1813–1894
|-
| {{sortname|Aaron|Kitchell}} || 1805–1809 || 2 || New Jersey || [[Democratic-Republican Party|Democratic-Republican]] || 1744–1820
|-
| {{sortname|Alfred B.|Kittredge}} || 1901–1909 || 3 || South Dakota || Republican || 1861–1911
|-
| {{sortname|Nehemiah R.|Knight}} || 1821–1824<br />1824–1832<br />1832–1841 || 2 || Rhode Island || [[Democratic-Republican Party|Democratic-Republican]]<br />[[National Republican Party|National Republican]]<br />[[Whig Party (United States)|Whig]] || 1780–1854
|-
| {{sortname|William|Knowland}} || 1945–1959 || 1 || California || Republican || 1908–1974
|-
| {{sortname|Philander C.|Knox}} || 1904–1909<br />1917–1921 || 1 || Pennsylvania || Republican || 1853–1921
|-
| {{sortname|Herb|Kohl}} || 1989–2013 || 1 || Wisconsin || Democratic || 1935–2023
|-
| {{sortname|Bob|Krueger}} || 1993 || 1 || Texas || Democratic || 1935–2022
|-
| {{sortname|Thomas|Kuchel}} || 1953–1969 || 3 || California || Republican || 1910–1994
|-
| {{sortname|Jon|Kyl}} || 1995–2013<br />2018 || 1<br />3 || Arizona || Republican || 1942–present
|-
| {{sortname|James H.|Kyle}} || 1891–1901 || 3 || South Dakota || [[People's Party (United States)|Populist]] || 1854–1901
|-
| {{sortname|Robert M.|La Follette}} || 1906–1925 || 1 || Wisconsin || Republican || 1855–1925
|-
| {{sortname|Robert M.|La Follette Jr.||La Follette, Robert M. Jr.}} || 1925–1934<br />1934–1947 || 1 || Wisconsin || Republican<br />[[Progressive Party (United States, 1924–1934)|Progressive]] || 1895–1953
|-
| {{sortname|Abner|Lacock}} || 1813–1819 || 3 || Pennsylvania || [[Democratic-Republican Party|Democratic-Republican]] || 1770–1837
|-
| {{sortname|Edwin F.|Ladd}} || 1921–1925 || 3 || North Dakota || Republican || 1859–1925
|-
| {{sortname|William|Laird III||Laird, William III}} || 1956 || 1 || West Virginia || Democratic || 1916–1974
|-
| {{sortname|Lucius Quintus Cincinnatus|Lamar}} || 1877–1885 || 2 || Mississippi || Democratic || 1825–1893
|-
| {{sortname|John|Lambert|dab=politician}} || 1809–1815 || 1 || New Jersey || [[Democratic-Republican Party|Democratic-Republican]] || 1746–1823
|-
| {{sortname|Mary|Landrieu}} || 1997–2015 || 2 || Louisiana || Democratic || 1955–present
|-
| {{sortname|Harry|Lane}} || 1913–1917 || 2 || Oregon || Democratic || 1855–1917
|-
| {{sortname|Henry S.|Lane}} || 1861–1867 || 3 || Indiana || Republican || 1811–1881
|-
| {{sortname|Jim|Lane|dab=politician}} || 1861–1866 || 2 || Kansas || Republican || 1814–1866
|-
| {{sortname|Joseph|Lane}} || 1859–1861 || 3 || Oregon || Democratic || 1801–1881
|-
| {{sortname|John|Langdon|dab=politician}} || 1789–1793<br />1793–1801 || 3 || New Hampshire || [[Federalist Party|Federalist]]<br />[[Democratic-Republican Party|Democratic-Republican]]  || 1741–1819
|-
| {{sortname|William|Langer}} || 1941–1959 || 1 || North Dakota || Republican || 1886–1959
|-
| {{sortname|James|Lanman}} || 1819–1825 || 3 || Connecticut || [[Democratic-Republican Party|Democratic-Republican]] || 1767–1841
|-
| {{sortname|Elbridge G.|Lapham}} || 1881–1885 || 3 || New York || Republican || 1814–1890
|-
| {{sortname|Octaviano Ambrosio|Larrazolo}} || 1928–1929 || 1 || New Mexico || Republican || 1859–1930
|-
| {{sortname|Milton|Latham}} || 1860–1863 || 1 || California || Democratic || 1827–1882
|-
| {{sortname|Asbury|Latimer}} || 1903–1908 || 3 || South Carolina || Democratic || 1851–1908
|-
| {{sortname|Henry|Latimer|dab=politician}} || 1795–1801 || 1 || Delaware || [[Federalist Party|Federalist]] || 1752–1819
|-
| {{sortname|John|Laurance}} || 1796–1800 || 3 || New York || [[Federalist Party|Federalist]] || 1750–1810
|-
| {{sortname|Frank|Lausche}} || 1957–1969 || 3 || Ohio || Democratic || 1895–1990
|-
| {{sortname|Frank|Lautenberg}} || 1982–2001<br />2003–2013 || 1<br />2 || New Jersey || Democratic || 1924–2013
|-
| {{sortname|Paul|Laxalt}} || 1974–1987 || 3 || Nevada || Republican || 1922–2018
|-
| {{sortname|Luke|Lea|dab=American politician, born 1879}} || 1911–1917 || 1 || Tennessee || Democratic || 1879–1945
|-
| {{sortname|Edward L.|Leahy}} || 1949–1950 || 1 || Rhode Island || Democratic || 1886–1953
|-
| {{sortname|Patrick|Leahy}} || 1975–2023 || 3 || Vermont || Democratic || 1940–present
|-
| {{sortname|Walter|Leake}} || 1817–1820 || 1 || Mississippi || [[Democratic-Republican Party|Democratic-Republican]] || 1762–1825
|-
| {{sortname|Blair|Lee I||Lee, Blair I}} || 1914–1917 || 1 || Maryland || Democratic || 1857–1944
|-
| {{sortname|Joshua B.|Lee}} || 1937–1943 || 2 || Oklahoma || Democratic || 1892–1967
|-
| {{sortname|Richard Henry|Lee}} || 1789–1792 || 2 || Virginia || [[Democratic-Republican Party|Democratic-Republican]] || 1732–1794
|-
| {{sortname|Herbert H.|Lehman}} || 1950–1957 || 3 || New York || Democratic || 1878–1963
|-
| {{sortname|Michael|Leib}} || 1809–1814 || 1 || Pennsylvania || [[Democratic-Republican Party|Democratic-Republican]] || 1760–1822
|-
| {{sortname|Benjamin W.|Leigh}} || 1834–1836 || 2 || Virginia || [[National Republican Party|National Republican]] || 1781–1849
|-
| {{sortname|George|LeMieux}} || 2009–2011 || 3 || Florida || Republican || 1969–present
|-
| {{sortname|Alton|Lennon}} || 1953–1954 || 2 || North Carolina || Democratic || 1906–1986
|-
| {{sortname|Irvine|Lenroot}} || 1918–1927 || 3 || Wisconsin || Republican || 1869–1949
|-
| {{sortname|Carl|Levin}} || 1979–2015 || 2 || Michigan || Democratic || 1934–2021
|-
| {{sortname|Dixon H.|Lewis}} || 1844–1848 || 2 || Alabama || Democratic || 1802–1848
|-
| {{sortname|J. Hamilton|Lewis}} || 1913–1919<br />1931–1939 || 2 || Illinois || Democratic || 1863–1939
|-
| {{sortname|John F.|Lewis}} || 1870–1875 || 1 || Virginia || Republican || 1818–1895
|-
| {{sortname|Joe|Lieberman}} || 1989–2006<br />2006–2013 || 1 || Connecticut || Democratic<br />[[Independent Democrat]] || 1942–2024
|-
| {{sortname|Blanche|Lincoln}} || 1999–2011 || 3 || Arkansas || Democratic || 1960–present
|-
| {{sortname|William|Lindsay|dab=Kentucky politician}} || 1893–1901 || 2 || Kentucky || Democratic || 1835–1909
|-
| {{sortname|Lewis F.|Linn}} || 1833–1843 || 3 || Missouri || Democratic || 1796–1843
|-
| {{sortname|Henry F.|Lippitt}} || 1911–1917 || 1 || Rhode Island || Republican || 1856–1933
|-
| {{sortname|Samuel|Livermore}} || 1793–1801 || 2 || New Hampshire || [[Federalist Party|Federalist]] || 1732–1803
|-
| {{sortname|Edward|Livingston}} || 1829–1831 || 2 || Louisiana || Democratic || 1764–1836
|-
| {{sortname|Edward|Lloyd|dab=Governor of Maryland}} || 1819–1824<br />1824–1826 || 3 || Maryland || [[Democratic-Republican Party|Democratic-Republican]]<br />Democratic || 1779–1834
|-
| {{sortname|James|Lloyd|dab=Maryland politician}} || 1797–1800 || 3 || Maryland || [[Federalist Party|Federalist]] || 1745–1820
|-
| {{sortname|James|Lloyd|dab=Massachusetts politician}} || 1808–1813<br />1822–1824<br />1824–1826 || 1<br />2<br />2 || Massachusetts || [[Federalist Party|Federalist]]<br />[[National Republican Party|National Republican]]<br />[[National Republican Party|National Republican]] || 1769–1831
|-
| {{sortname|Cyrus|Locher}} || 1928 || 3 || Ohio || Democratic || 1878–1929
|-
| {{sortname|Francis|Locke Jr.||Locke, Francis Jr.}} || 1814–1815 || 3 || North Carolina || [[Democratic-Republican Party|Democratic-Republican]] || 1776–1823
|-
| {{sortname|Henry Cabot|Lodge}} || 1893–1924 || 1 || Massachusetts || Republican || 1850–1924
|-
| {{sortname|Henry Cabot|Lodge Jr.||Lodge, Henry Cabot Jr.}} || 1937–1944<br />1947–1953 || 2<br />1 || Massachusetts || Republican || 1902–1985
|-
| {{sortname|Kelly|Loeffler}} || 2020–2021 || 3 || Georgia || Republican || 1970–present
|-
| {{sortname|Scott|Loftin}} || 1936 || 1 || Florida || Democratic || 1878–1953
|-
| {{sortname|George|Logan|dab=Pennsylvania politician}} || 1801–1807 || 3 || Pennsylvania || [[Democratic-Republican Party|Democratic-Republican]] || 1753–1821
|-
| {{sortname|John A.|Logan}} || 1871–1877<br />1879–1886 || 2<br />3 || Illinois || Republican || 1826–1886
|-
| {{sortname|M. M.|Logan}} || 1931–1939 || 2 || Kentucky || Democratic || 1874–1939
|-
| {{sortname|William|Logan|dab=politician}} || 1819–1820 || 3 || Kentucky || [[Democratic-Republican Party|Democratic-Republican]] || 1776–1822
|-
| {{sortname|Augustine|Lonergan}} || 1933–1939 || 3 || Connecticut || Democratic || 1874–1947
|-
| {{sortname|Chester I.|Long}} || 1903–1909 || 3 || Kansas || Republican || 1860–1934
|-
| {{sortname|Edward V.|Long}} || 1960–1968 || 3 || Missouri || Democratic || 1908–1972
|-
| {{sortname|Huey|Long}} || 1932–1935 || 2 || Louisiana || Democratic || 1893–1935
|-
| {{sortname|Oren E.|Long}} || 1959–1963 || 3 || Hawaii || Democratic || 1889–1965
|-
| {{sortname|Rose McConnell|Long}} || 1936–1937 || 2 || Louisiana || Democratic || 1892–1970
|-
| {{sortname|Russell B.|Long}} || 1948–1987 || 3 || Louisiana || Democratic || 1918–2003
|-
| {{sortname|William|Lorimer|dab=politician}} || 1909–1912 || 3 || Illinois || Republican || 1861–1934
|-
| {{sortname|Trent|Lott}} || 1989–2007 || 1 || Mississippi || Republican || 1941–present
|-
| {{sortname|Walter|Lowrie|dab=politician}} || 1819–1825 || 3 || Pennsylvania || [[Democratic-Republican Party|Democratic-Republican]] || 1784–1868
|-
| {{sortname|Scott W.|Lucas}} || 1939–1951 || 3 || Illinois || Democratic || 1892–1968
|-
| {{sortname|Richard|Lugar}} || 1977–2013 || 1 || Indiana || Republican || 1932–2019
|-
| {{sortname|Alva M.|Lumpkin}} || 1941 || 2 || South Carolina || Democratic || 1886–1941
|-
| {{sortname|Wilson|Lumpkin}} || 1837–1841 || 2 || Georgia || Democratic || 1783–1870
|-
| {{sortname|Ernest|Lundeen}} || 1937–1940 || 2 || Minnesota || [[Minnesota Farmer–Labor Party|Farmer–Labor]] || 1878–1940
|-
| {{sortname|Hall S.|Lusk}} || 1960 || 2 || Oregon || Democratic || 1883–1983
|-
| {{sortname|Lucius|Lyon}} || 1837–1839 || 1 || Michigan || Democratic || 1800–1851
|-
| {{sortname|Willis B.|Machen}} || 1872–1873 || 3 || Kentucky || Democratic || 1810–1893
|-
| {{sortname|Connie|Mack III||Mack, Connie III}} || 1989–2001 || 1 || Florida || Republican || 1940–present
|-
| {{sortname|Samuel|Maclay}} || 1803–1809 || 1 || Pennsylvania || [[Democratic-Republican Party|Democratic-Republican]] || 1741–1811
|-
| {{sortname|William|Maclay|dab=Pennsylvania politician, born 1737}} || 1789–1791 || 1 || Pennsylvania || [[Democratic-Republican Party|Democratic-Republican]] || 1737–1804
|-
| {{sortname|Nathaniel|Macon}} || 1815–1824<br />1824–1828 || 3 || North Carolina || [[Democratic-Republican Party|Democratic-Republican]]<br />Democratic || 1757–1837
|-
| {{sortname|Warren|Magnuson}} || 1944–1981 || 3 || Washington || Democratic || 1905–1989
|-
| {{sortname|Allan B.|Magruder}} || 1812–1813 || 3 || Louisiana || [[Democratic-Republican Party|Democratic-Republican]] || 1775–1822
|-
| {{sortname|William|Mahone}} || 1881–1887 || 1 || Virginia || [[Readjuster Party|Readjuster]] || 1826–1895
|-
| {{sortname|Francis|Malbone}} || 1809 || 1 || Rhode Island || [[Federalist Party|Federalist]] || 1759–1809
|-
| {{sortname|Stephen|Mallory}} || 1851–1861 || 1 || Florida || Democratic || 1812–1873
|-
| {{sortname|Stephen|Mallory II||Mallory, Stephen II}} || 1897–1907 || 3 || Florida || Democratic || 1848–1907
|-
| {{sortname|George W.|Malone}} || 1947–1959 || 1 || Nevada || Republican || 1890–1961
|-
| {{sortname|Francis T.|Maloney}} || 1935–1945 || 1 || Connecticut || Democratic || 1894–1945
|-
| {{sortname|Joe|Manchin}} || 2010–2025 || 1 || West Virginia || Democratic<br />Independent || 1947–present
|-
| {{sortname|Charles F.|Manderson}} || 1883–1895 || 2 || Nebraska || Republican || 1837–1911
|-
| {{sortname|Willie P.|Mangum}} || 1831–1833<br />1833–1836<br />1840–1853 || 3<br />3<br />2 || North Carolina || Democratic<br />[[National Republican Party|National Republican]]<br />[[Whig Party (United States)|Whig]] || 1792–1861
|-
| {{sortname|Mike|Mansfield}} || 1953–1977 || 1 || Montana || Democratic || 1903–2001
|-
| {{sortname|Lee|Mantle}} || 1895–1896<br />1896–1899 || 1 || Montana || Republican<br />[[Silver Republican Party|Silver Republican]] || 1851–1934
|-
| {{sortname|William L.|Marcy}} || 1831–1833 || 3 || New York || Democratic || 1786–1857
|-
| {{sortname|William|Marks|dab=politician}} || 1825–1831 || 3 || Pennsylvania || [[National Republican Party|National Republican]] || 1778–1858
|-
| {{sortname|Humphrey|Marshall|dab=politician}} || 1795–1801 || 3 || Kentucky || [[Federalist Party|Federalist]] || 1760–1841
|-
| {{sortname|Gilman|Marston}} || 1889 || 2 || New Hampshire || Republican || 1811–1890
|-
| {{sortname|Alexander|Martin}} || 1793–1799 || 2 || North Carolina || [[Democratic-Republican Party|Democratic-Republican]] || 1740–1807
|-
| {{sortname|Edward|Martin|dab=Pennsylvania politician}} || 1947–1959 || 1 || Pennsylvania || Republican || 1879–1967
|-
| {{sortname|George B.|Martin}} || 1918–1919 || 2 || Kentucky || Democratic || 1876–1945
|-
| {{sortname|John|Martin|dab=Kansas politician}} || 1893–1895 || 2 || Kansas || Democratic || 1833–1913
|-
| {{sortname|Thomas E.|Martin}} || 1955–1961 || 2 || Iowa || Republican || 1893–1971
|-
| {{sortname|Thomas S.|Martin}} || 1895–1919 || 2 || Virginia || Democratic || 1847–1919
|-
| {{sortname|James E.|Martine}} || 1911–1917 || 1 || New Jersey || Democratic || 1850–1925
|-
| {{sortname|Mel|Martínez}} || 2005–2009 || 3 || Florida || Republican || 1946–present
|-
| {{sortname|Armistead Thomson|Mason}} || 1816–1817 || 2 || Virginia || [[Democratic-Republican Party|Democratic-Republican]] || 1787–1819
|-
| {{sortname|James M.|Mason}} || 1847–1861 || 1 || Virginia || Democratic || 1798–1871
|-
| {{sortname|Jeremiah|Mason}} || 1813–1817 || 3 || New Hampshire || [[Federalist Party|Federalist]] || 1768–1848
|-
| {{sortname|Jonathan|Mason|dab=politician}} || 1800–1803 || 1 || Massachusetts || [[Federalist Party|Federalist]] || 1756–1831
|-
| {{sortname|Stevens Thomson|Mason|dab=senator}} || 1794–1803 || 1 || Virginia || [[Democratic-Republican Party|Democratic-Republican]] || 1760–1803
|-
| {{sortname|William E.|Mason|dab=American politician}} || 1897–1903 || 3 || Illinois || Republican || 1850–1921
|-
| {{sortname|William A.|Massey|dab=politician}} || 1912–1913 || 1 || Nevada || Republican || 1856–1914
|-
| {{sortname|Harlan|Mathews}} || 1993–1994 || 2 || Tennessee || Democratic || 1927–2014
|-
| {{sortname|Elisha|Mathewson}} || 1807–1811 || 2 || Rhode Island || [[Democratic-Republican Party|Democratic-Republican]] || 1767–1853
|-
| {{sortname|Charles|Mathias}} || 1969–1987 || 3 || Maryland || Republican || 1922–2010
|-
| {{sortname|Spark|Matsunaga}} || 1977–1990 || 1 || Hawaii || Democratic || 1916–1990
|-
| {{sortname|Stanley|Matthews|dab=judge}} || 1877–1879 || 3 || Ohio || Republican || 1824–1889
|-
| {{sortname|Mack|Mattingly}} || 1981–1987 || 3 || Georgia || Republican || 1931–present
|-
| {{sortname|Samuel B.|Maxey}} || 1875–1887 || 1 || Texas || Democratic || 1825–1895
|-
| {{sortname|Burnet R.|Maybank}} || 1941–1954 || 2 || South Carolina || Democratic || 1899–1954
|-
| {{sortname|Earle B.|Mayfield}} || 1923–1929 || 1 || Texas || Democratic || 1881–1964
|-
| {{sortname|William Gibbs|McAdoo}} || 1933–1938 || 3 || California || Democratic || 1863–1941
|-
| {{sortname|George W.|McBride}} || 1895–1901 || 2 || Oregon || Republican || 1854–1911
|-
| {{sortname|John|McCain}} || 1987–2018 || 3 || Arizona || Republican || 1936–2018
|-
| {{sortname|Pat|McCarran}} || 1933–1954 || 3 || Nevada || Democratic || 1876–1954
|-
| {{sortname|Eugene|McCarthy}} || 1959–1971 || 1 || Minnesota || Democratic || 1916–2005
|-
| {{sortname|Joseph|McCarthy}} || 1947–1957 || 1 || Wisconsin || Republican || 1908–1957
|-
| {{sortname|Claire|McCaskill}} || 2007–2019 || 1 || Missouri || Democratic || 1953–present
|-
| {{sortname|John L.|McClellan}} || 1943–1977 || 2 || Arkansas || Democratic || 1896–1977
|-
| {{sortname|Jim|McClure|dab=politician}} || 1973–1991 || 2 || Idaho || Republican || 1924–2011
|-
| {{sortname|Louis E.|McComas}} || 1899–1905 || 1 || Maryland || Republican || 1846–1907
|-
| {{sortname|William J.|McConnell}} || 1890–1891 || 3 || Idaho || Republican || 1839–1925
|-
| {{sortname|Medill|McCormick}} || 1919–1925 || 2 || Illinois || Republican || 1877–1925
|-
| {{sortname|James B.|McCreary}} || 1903–1909 || 3 || Kentucky || Democratic || 1838–1918
|-
| {{sortname|Thomas C.|McCreery}} || 1868–1871<br />1873–1879 || 2<br />3 || Kentucky || Democratic || 1816–1890
|-
| {{sortname|Roscoe C.|McCulloch}} || 1929–1930 || 3 || Ohio || Republican || 1880–1958
|-
| {{sortname|Porter J.|McCumber}} || 1899–1923 || 1 || North Dakota || Republican || 1858–1933
|-
| {{sortname|James W.|McDill}} || 1881–1883 || 2 || Iowa || Republican || 1834–1894
|-
| {{sortname|Alexander|McDonald|dab=American politician}} || 1868–1871 || 2 || Arkansas || Republican || 1832–1903
|-
| {{sortname|Joseph E.|McDonald}} || 1875–1881 || 1 || Indiana || Democratic || 1819–1891
|-
| {{sortname|James A.|McDougall}} || 1861–1867 || 3 || California || Democratic || 1817–1867
|-
| {{sortname|George|McDuffie}} || 1842–1846 || 3 || South Carolina || Democratic || 1790–1851
|-
| {{sortname|Samuel D.|McEnery}} || 1897–1910 || 3 || Louisiana || Democratic || 1837–1910
|-
| {{sortname|Ernest|McFarland}} || 1941–1953 || 1 || Arizona || Democratic || 1894–1984
|-
| {{sortname|Gale W.|McGee}} || 1959–1977 || 1 || Wyoming || Democratic || 1915–1992
|-
| {{sortname|George|McGill|dab=Kansas politician}} || 1930–1939 || 3 || Kansas || Democratic || 1879–1963
|-
| {{sortname|George|McGovern}} || 1963–1981 || 3 || South Dakota || Democratic || 1922–2012
|-
| {{sortname|J. Howard|McGrath}} || 1947–1949 || 1 || Rhode Island || Democratic || 1903–1966
|-
| {{sortname|Joseph|McIlvaine}} || 1823–1824<br />1824–1826 || 1 || New Jersey || [[Democratic-Republican Party|Democratic-Republican]]<br />[[National Republican Party|National Republican]] || 1769–1826
|-
| {{sortname|Thomas J.|McIntyre}} || 1962–1979 || 2 || New Hampshire || Democratic || 1915–1992
|-
| {{sortname|Samuel|McKean}} || 1833–1839 || 1 || Pennsylvania || Democratic || 1787–1841
|-
| {{sortname|Kenneth|McKellar|dab=politician}} || 1917–1953 || 1 || Tennessee || Democratic || 1869–1957
|-
| {{sortname|John|McKinley}} || 1826–1831<br />1837 || 3 || Alabama || Democratic || 1780–1852
|-
| {{sortname|William B.|McKinley}} || 1921–1926 || 3 || Illinois || Republican || 1856–1926
|-
| {{sortname|Louis|McLane}} || 1827–1829 || 1 || Delaware || Democratic || 1786–1857
|-
| {{sortname|Anselm J.|McLaurin}} || 1894–1895<br />1901–1909 || 2 || Mississippi || Democratic || 1848–1909
|-
| {{sortname|John L.|McLaurin}} || 1897–1903 || 3 || South Carolina || Democratic || 1860–1934
|-
| {{sortname|George P.|McLean}} || 1911–1929 || 1 || Connecticut || Republican || 1857–1932
|-
| {{sortname|John|McLean|dab=Illinois politician}} || 1824–1825<br />1829–1830 || 3<br />2 || Illinois || Democratic || 1791–1830
|-
| {{sortname|Brien|McMahon}} || 1945–1952 || 3 || Connecticut || Democratic || 1903–1952
|-
| {{sortname|William H.|McMaster}} || 1925–1931 || 2 || South Dakota || Republican || 1877–1968
|-
| {{sortname|James|McMillan|dab=politician}} || 1889–1902 || 2 || Michigan || Republican || 1838–1902
|-
| {{sortname|Samuel J. R.|McMillan}} || 1875–1887 || 1 || Minnesota || Republican || 1826–1897
|-
| {{sortname|Patrick V.|McNamara}} || 1955–1966 || 2 || Michigan || Democratic || 1894–1966
|-
| {{sortname|Charles L.|McNary}} || 1917–1918<br />1918–1944 || 2 || Oregon || Republican || 1874–1944
|-
| {{sortname|John R.|McPherson}} || 1877–1895 || 2 || New Jersey || Democratic || 1833–1897
|-
| {{sortname|John J.|McRae}} || 1851–1852 || 1 || Mississippi || Democratic || 1815–1868
|-
| {{sortname|Samuel|McRoberts}} || 1841–1843 || 2 || Illinois || Democratic || 1799–1843
|-
| {{sortname|Martha|McSally}} || 2019–2020 || 3 || Arizona || Republican || 1966–present
|-
| {{sortname|James M.|Mead}} || 1938–1947 || 1 || New York || Democratic || 1885–1964
|-
| {{sortname|Rice W.|Means}} || 1924–1927 || 3 || Colorado || Republican || 1877–1949
|-
| {{sortname|Edwin L.|Mechem}} || 1962–1964 || 1 || New Mexico || Republican || 1912–2002
|-
| {{sortname|Return J.|Meigs Jr.||Meigs, Return J. Jr.}} || 1808–1810 || 1 || Ohio || [[Democratic-Republican Party|Democratic-Republican]] || 1764–1825
|-
| {{sortname|John|Melcher}} || 1977–1989 || 1 || Montana || Democratic || 1924–2018
|-
| {{sortname|Prentiss|Mellen}} || 1818–1820 || 1 || Massachusetts || [[Federalist Party|Federalist]] || 1764–1840
|-
| {{sortname|Bob|Menendez}} || 2006–2024 || 1 || New Jersey || Democratic || 1954–present
|-
| {{sortname|David|Meriwether|dab=Kentucky politician}} || 1852 || 3 || Kentucky || Democratic || 1800–1893
|-
| {{sortname|William Duhurst|Merrick}} || 1838–1845 || 1 || Maryland || [[Whig Party (United States)|Whig]] || 1793–1857
|-
| {{sortname|Augustus Summerfield|Merrimon}} || 1873–1879 || 3 || North Carolina || Democratic || 1830–1892
|-
| {{sortname|Jesse H.|Metcalf}} || 1924–1937 || 2 || Rhode Island || Republican || 1860–1942
|-
| {{sortname|Lee|Metcalf}} || 1961–1978 || 2 || Montana || Democratic || 1911–1978
|-
| {{sortname|Thomas|Metcalfe|dab=Kentucky politician}} || 1848–1849 || 3 || Kentucky || [[Whig Party (United States)|Whig]] || 1780–1855
|-
| {{sortname|Howard|Metzenbaum}} || data-sort-value="1974–1974" | 1974<br />1976–1995 || 3<br />1 || Ohio || Democratic || 1917–2008
|-
| {{sortname|Barbara|Mikulski}} || 1987–2017 || 3 || Maryland || Democratic || 1936–present
|-
| {{sortname|Joseph|Millard}} || 1901–1907 || 2 || Nebraska || Republican || 1836–1922
|-
| {{sortname|John|Milledge}} || 1806–1809 || 3 || Georgia || [[Democratic-Republican Party|Democratic-Republican]] || 1757–1818
|-
| {{sortname|Bert H.|Miller}} || 1949 || 2 || Idaho || Democratic || 1879–1949
|-
| {{sortname|Homer V. M.|Miller}} || 1869–1871 || 2 || Georgia || Democratic || 1814–1896
|-
| {{sortname|Jack|Miller|dab=politician}} || 1961–1973 || 2 || Iowa || Republican || 1916–1994
|-
| {{sortname|Jacob W.|Miller}} || 1841–1853 || 2 || New Jersey || [[Whig Party (United States)|Whig]] || 1800–1862
|-
| {{sortname|John E.|Miller}} || 1937–1941 || 2 || Arkansas || Democratic || 1888–1981
|-
| {{sortname|John Franklin|Miller|dab=California politician}} || 1881–1886 || 1 || California || Republican || 1831–1886
|-
| {{sortname|Stephen Decatur|Miller}} || 1831–1833 || 3 || South Carolina || [[Nullifier Party|Nullifier]] || 1787–1838
|-
| {{sortname|Warner|Miller}} || 1881–1887 || 1 || New York || Republican || 1838–1918
|-
| {{sortname|Zell|Miller}} || 2000–2005 || 3 || Georgia || Democratic || 1932–2018
|-
| {{sortname|Eugene|Millikin}} || 1941–1957 || 3 || Colorado || Republican || 1891–1958
|-
| {{sortname|Elijah H.|Mills}} || 1820–1824<br />1824–1827 || 1 || Massachusetts || [[Federalist Party|Federalist]]<br />[[National Republican Party|National Republican]] || 1776–1829
|-
| {{sortname|Roger Q.|Mills}} || 1892–1899 || 1 || Texas || Democratic || 1832–1911
|-
| {{sortname|John|Milton|dab=New Jersey politician}} || 1938 || 1 || New Jersey || Democratic || 1881–1977
|-
| {{sortname|William Hall|Milton}} || 1908–1909 || 3 || Florida || Democratic || 1864–1942
|-
| {{sortname|Sherman|Minton}} || 1935–1941 || 1 || Indiana || Democratic || 1890–1965
|-
| {{sortname|Charles B.|Mitchel}} || 1861 || 3 || Arkansas || Democratic || 1815–1864
|-
| {{sortname|George J.|Mitchell}} || 1980–1995 || 1 || Maine || Democratic || 1933–present
|-
| {{sortname|Hugh|Mitchell|dab=politician}} || 1945–1946 || 1 || Washington || Democratic || 1907–1996
|-
| {{sortname|John H.|Mitchell}} || 1873–1879<br />1885–1897<br />1901–1905 || 3<br />3<br />2 || Oregon || Republican || 1835–1905
|-
| {{sortname|John I.|Mitchell}} || 1881–1887 || 1 || Pennsylvania || Republican || 1838–1907
|-
| {{sortname|John L.|Mitchell}} || 1893–1899 || 1 || Wisconsin || Democratic || 1842–1904
|-
| {{sortname|Stephen Mix|Mitchell}} || 1793–1795 || 3 || Connecticut || [[Federalist Party|Federalist]] || 1743–1835
|-
| {{sortname|Samuel L.|Mitchill}} || 1804–1809 || 1 || New York || [[Democratic-Republican Party|Democratic-Republican]] || 1764–1831
|-
| {{sortname|Walter|Mondale}} || 1964–1976 || 2 || Minnesota || Democratic || 1928–2021
|-
| {{sortname|Hernando|Money}} || 1897–1911 || 1 || Mississippi || Democratic || 1839–1912
|-
| {{sortname|James|Monroe}} || 1790–1794 || 1 || Virginia || [[Democratic-Republican Party|Democratic-Republican]] || 1758–1831
|-
| {{sortname|Mike|Monroney}} || 1951–1969 || 3 || Oklahoma || Democratic || 1902–1980
|-
| {{sortname|Joseph|Montoya}} || 1964–1977 || 1 || New Mexico || Democratic || 1915–1978
|-
| {{sortname|Blair|Moody}} || 1951–1952 || 1 || Michigan || Democratic || 1902–1954
|-
| {{sortname|Gideon C.|Moody}} || 1889–1891 || 3 || South Dakota || Republican || 1832–1904
|-
| {{sortname|Wyman B. S.|Moor}} || 1848 || 1 || Maine || Democratic || 1811–1869
|-
| {{sortname|A. Harry|Moore}} || 1935–1938 || 1 || New Jersey || Democratic || 1879–1952
|-
| {{sortname|Andrew|Moore|dab=politician}} || data-sort-value="1804–1804" | 1804<br />1804–1809 || 2<br />1 || Virginia || [[Democratic-Republican Party|Democratic-Republican]] || 1752–1821
|-
| {{sortname|Edward H.|Moore}} || 1943–1949 || 2 || Oklahoma || Republican || 1871–1950
|-
| {{sortname|Gabriel|Moore}} || 1831–1833<br />1833–1837 || 3 || Alabama || Democratic<br />[[National Republican Party|National Republican]] || 1785–1845
|-
| {{sortname|James T.|Morehead|dab=Kentucky politician}} || 1841–1847 || 2 || Kentucky || [[Whig Party (United States)|Whig]] || 1797–1854
|-
| {{sortname|Edwin D.|Morgan}} || 1863–1869 || 1 || New York || Republican || 1811–1883
|-
| {{sortname|John T.|Morgan}} || 1877–1907 || 2 || Alabama || Democratic || 1824–1907
|-
| {{sortname|Robert B.|Morgan}} || 1975–1981 || 3 || North Carolina || Democratic || 1925–2016
|-
| {{sortname|David L.|Morril}} || 1817–1823 || 2 || New Hampshire || [[Democratic-Republican Party|Democratic-Republican]] || 1772–1849
|-
| {{sortname|Justin S.|Morrill}} || 1867–1898 || 3 || Vermont || Republican || 1810–1898
|-
| {{sortname|Lot M.|Morrill}} || 1861–1869<br />1869–1876 || 1<br />2 || Maine || Republican || 1813–1883
|-
| {{sortname|Gouverneur|Morris}} || 1800–1803 || 1 || New York || [[Federalist Party|Federalist]] || 1752–1816
|-
| {{sortname|Robert|Morris|dab=financier}} || 1789–1795 || 3 || Pennsylvania || [[Federalist Party|Federalist]] || 1734–1806
|-
| {{sortname|Thomas|Morris|dab=Ohio politician}} || 1833–1839 || 1 || Ohio || Democratic || 1776–1844
|-
| {{sortname|Cameron A.|Morrison}} || 1930–1932 || 3 || North Carolina || Democratic || 1869–1953
|-
| {{sortname|Dwight|Morrow}} || 1930–1931 || 2 || New Jersey || Republican || 1873–1931
|-
| {{sortname|Jeremiah|Morrow}} || 1813–1819 || 3 || Ohio || [[Democratic-Republican Party|Democratic-Republican]] || 1771–1852
|-
| {{sortname|Wayne|Morse}} || 1945–1952<br />1952–1955<br />1955–1969 || 3 || Oregon || Republican<br />Independent<br />Democratic || 1900–1974
|-
| {{sortname|Jackson|Morton}} || 1849–1855 || 3 || Florida || [[Whig Party (United States)|Whig]] || 1794–1874
|-
| {{sortname|Oliver P.|Morton}} || 1867–1877 || 3 || Indiana || Republican || 1823–1877
|-
| {{sortname|Thruston|Morton}} || 1957–1968 || 3 || Kentucky || Republican || 1907–1982
|-
| {{sortname|Carol|Moseley Braun}} || 1993–1999 || 3 || Illinois || Democratic || 1947–present
|-
| {{sortname|George H.|Moses}} || 1918–1933 || 3 || New Hampshire || Republican || 1869–1944
|-
| {{sortname|John|Moses|dab=American politician}} || 1945 || 3 || North Dakota || Democratic || 1885–1945
|-
| {{sortname|Frank|Moss}} || 1959–1977 || 1 || Utah || Democratic || 1911–2003
|-
| {{sortname|Alexandre|Mouton}} || 1837–1842 || 3 || Louisiana || Democratic || 1804–1885
|-
| {{sortname|Daniel Patrick|Moynihan}} || 1977–2001 || 1 || New York || Democratic || 1927–2003
|-
| {{sortname|Peter|Muhlenberg}} || 1801 || 3 || Pennsylvania || [[Democratic-Republican Party|Democratic-Republican]] || 1746–1807
|-
| {{sortname|Frederick W.|Mulkey}} || data-sort-value="1907–1907" | 1907<br />1918 || 2 || Oregon || Republican || 1874–1924
|-
| {{sortname|Karl|Mundt}} || 1948–1973 || 2 || South Dakota || Republican || 1900–1974
|-
| {{sortname|Abe|Murdock}} || 1941–1947 || 1 || Utah || Democratic || 1893–1979
|-
| {{sortname|Frank|Murkowski}} || 1981–2002 || 3 || Alaska || Republican || 1933–present
|-
| {{sortname|Edward|Murphy Jr.||Murphy, Edward Jr.}} || 1893–1899 || 1 || New York || Democratic || 1834–1911
|-
| {{sortname|George|Murphy}} || 1965–1971 || 1 || California || Republican || 1902–1992
|-
| {{sortname|Louis|Murphy|dab=American politician}} || 1933–1936 || 3 || Iowa || Democratic || 1875–1936
|-
| {{sortname|Maurice J.|Murphy Jr.||Murphy, Maurice J. Jr.}} || 1961–1962 || 2 || New Hampshire || Republican || 1927–2002
|-
| {{sortname|James E.|Murray}} || 1934–1961 || 2 || Montana || Democratic || 1876–1961
|-
| {{sortname|Edmund|Muskie}} || 1959–1980 || 1 || Maine || Democratic || 1914–1996
|-
| {{sortname|Francis J.|Myers}} || 1945–1951 || 3 || Pennsylvania || Democratic || 1901–1956
|-
| {{sortname|Henry L.|Myers}} || 1911–1923 || 1 || Montana || Democratic || 1862–1943
|-
| {{sortname|Arnold|Naudain}} || 1830–1836 || 1 || Delaware || [[National Republican Party|National Republican]] || 1790–1872
|-
| {{sortname|Matthew M.|Neely}} || 1923–1929<br />1931–1941<br />1949–1958 || 1<br />2<br />2 || West Virginia || Democratic || 1874–1958
|-
| {{sortname|Arthur E.|Nelson}} || 1942–1943 || 2 || Minnesota || Republican || 1892–1955
|-
| {{sortname|Ben|Nelson}} || 2001–2013 || 1 || Nebraska || Democratic || 1941–present
|-
| {{sortname|Bill|Nelson}} || 2001–2019 || 1 || Florida || Democratic || 1942–present
|-
| {{sortname|Gaylord|Nelson}} || 1963–1981 || 3 || Wisconsin || Democratic || 1916–2005
|-
| {{sortname|Knute|Nelson}} || 1895–1923 || 2 || Minnesota || Republican || 1843–1923
|-
| {{sortname|James|Nesmith}} || 1861–1867 || 3 || Oregon || Democratic || 1820–1885
|-
| {{sortname|Maurine|Neuberger}} || 1960–1967 || 2 || Oregon || Democratic || 1907–2000
|-
| {{sortname|Richard L.|Neuberger}} || 1955–1960 || 2 || Oregon || Democratic || 1912–1960
|-
| {{sortname|Harry S.|New}} || 1917–1923 || 1 || Indiana || Republican || 1858–1937
|-
| {{sortname|Truman H.|Newberry}} || 1919–1922 || 2 || Michigan || Republican || 1864–1945
|-
| {{sortname|Francis G.|Newlands}} || 1903–1917 || 3 || Nevada || Democratic || 1846–1917
|-
| {{sortname|Robert C.|Nicholas}} || 1836–1841 || 2 || Louisiana || Democratic || 1787–1856
|-
| {{sortname|Wilson Cary|Nicholas}} || 1799–1804 || 2 || Virginia || [[Democratic-Republican Party|Democratic-Republican]] || 1761–1820
|-
| {{sortname|Alfred O. P.|Nicholson}} || 1840–1842<br />1859–1861 || 1<br />2 || Tennessee || Democratic || 1808–1876
|-
| {{sortname|Samuel D.|Nicholson}} || 1921–1923 || 3 || Colorado || Republican || 1859–1923
|-
| {{sortname|Don|Nickles}} || 1981–2005 || 3 || Oklahoma || Republican || 1948–present
|-
| {{sortname|John Milton|Niles}} || 1835–1839<br />1843–1849 || 1<br />3 || Connecticut || Democratic || 1787–1856
|-
| {{sortname|George S.|Nixon}} || 1905–1912 || 1 || Nevada || Republican || 1860–1912
|-
| {{sortname|Richard|Nixon}} || 1950–1953 || 3 || California || Republican || 1913–1994
|-
| {{sortname|James|Noble|dab=Indiana politician}} || 1816–1831 || 1 || Indiana || [[National Republican Party|National Republican]] || 1785–1831
|-
| {{sortname|Peter|Norbeck}} || 1921–1936 || 3 || South Dakota || Republican || 1870–1936
|-
| {{sortname|George W.|Norris}} || 1913–1936<br />1936–1943 || 2 || Nebraska || Republican<br />Independent || 1861–1944
|-
| {{sortname|Moses|Norris Jr.||Norris, Moses Jr.}} || 1849–1855 || 3 || New Hampshire || Democratic || 1799–1855
|-
| {{sortname|William|North}} || 1798 || 1 || New York || [[Federalist Party|Federalist]] || 1755–1836
|-
| {{sortname|Daniel Sheldon|Norton}} || 1865–1870 || 2 || Minnesota || Republican || 1829–1870
|-
| {{sortname|John|Norvell}} || 1837–1841 || 2 || Michigan || Democratic || 1789–1850
|-
| {{sortname|Thomas M.|Norwood}} || 1871–1877 || 2 || Georgia || Democratic || 1830–1913
|-
| {{sortname|Amos|Nourse}} || 1857 || 1 || Maine || Republican || 1794–1877
|-
| {{sortname|John F.|Nugent}} || 1918–1921 || 3 || Idaho || Democratic || 1868–1931
|-
| {{sortname|Sam|Nunn}} || 1972–1997 || 2 || Georgia || Democratic || 1938–present
|-
| {{sortname|Gerald|Nye}} || 1925–1945 || 3 || North Dakota || Republican || 1892–1971
|-
| {{sortname|James W.|Nye}} || 1864–1873 || 3 || Nevada || Republican || 1815–1876
|-
| {{sortname|Herbert|O'Conor}} || 1947–1953 || 1 || Maryland || Democratic || 1896–1960
|-
| {{sortname|W. Lee|O'Daniel}} || 1941–1949 || 2 || Texas || Democratic || 1890–1969
|-
| {{sortname|James A.|O'Gorman}} || 1911–1917 || 1 || New York || Democratic || 1860–1943
|-
| {{sortname|Joseph C.|O'Mahoney}} || 1934–1953<br />1954–1961 || 1<br />2 || Wyoming || Democratic || 1884–1962
|-
| {{sortname|Barack|Obama}} || 2005–2008 || 3 || Illinois || Democratic || 1961–present
|-
| {{sortname|Tasker|Oddie}} || 1921–1933 || 3 || Nevada || Republican || 1870–1950
|-
| {{sortname|Aaron|Ogden}} || 1801–1803 || 1 || New Jersey || [[Federalist Party|Federalist]] || 1756–1839
|-
| {{sortname|Richard J.|Oglesby}} || 1873–1879 || 3 || Illinois || Republican || 1824–1899
|-
| {{sortname|Simeon|Olcott}} || 1801–1805 || 2 || New Hampshire || [[Federalist Party|Federalist]] || 1735–1815
|-
| {{sortname|George T.|Oliver}} || 1909–1917 || 1 || Pennsylvania || Republican || 1848–1919
|-
| {{sortname|Thomas W.|Osborn}} || 1868–1873 || 3 || Florida || Republican || 1833–1898
|-
| {{sortname|Harrison Gray|Otis|dab=politician}} || 1817–1822 || 2 || Massachusetts || [[Federalist Party|Federalist]] || 1765–1848
|-
| {{sortname|Lee S.|Overman}} || 1903–1930 || 3 || North Carolina || Democratic || 1854–1930
|-
| {{sortname|John H.|Overton}} || 1933–1948 || 3 || Louisiana || Democratic || 1875–1948
|-
| {{sortname|Robert L.|Owen}} || 1907–1925 || 2 || Oklahoma || Democratic || 1856–1947
|-
| {{sortname|Bob|Packwood}} || 1969–1995 || 3 || Oregon || Republican || 1932–present
|-
| {{sortname|Algernon|Paddock}} || 1875–1881<br />1887–1893 || 1 || Nebraska || Republican || 1830–1897
|-
| {{sortname|Carroll S.|Page}} || 1908–1923 || 1 || Vermont || Republican || 1843–1925
|-
| {{sortname|John|Page|dab=New Hampshire politician}} || 1836–1837 || 3 || New Hampshire || Democratic || 1787–1865
|-
| {{sortname|Elijah|Paine}} || 1795–1801 || 3 || Vermont || [[Federalist Party|Federalist]] || 1757–1842
|-
| {{sortname|John M.|Palmer}} || 1891–1897 || 3 || Illinois || Democratic || 1817–1900
|-
| {{sortname|Thomas W.|Palmer}} || 1883–1889 || 2 || Michigan || Republican || 1830–1913
|-
| {{sortname|William A.|Palmer}} || 1818–1824<br />1824–1825 || 3 || Vermont || [[Democratic-Republican Party|Democratic-Republican]]<br />[[National Republican Party|National Republican]] || 1781–1860
|-
| {{sortname|Nahum|Parker}} || 1807–1810 || 3 || New Hampshire || [[Democratic-Republican Party|Democratic-Republican]] || 1760–1839
|-
| {{sortname|Richard E.|Parker}} || 1836–1837 || 2 || Virginia || Democratic || 1783–1840
|-
| {{sortname|Albion|Parris}} || 1827–1828 || 1 || Maine || Democratic || 1788–1857
|-
| {{sortname|John F.|Parrott}} || 1819–1824<br />1824–1825 || 3 || New Hampshire || [[Democratic-Republican Party|Democratic-Republican]]<br />[[National Republican Party|National Republican]] || 1767–1836
|-
| {{sortname|Frank C.|Partridge}} || 1930–1931 || 1 || Vermont || Republican || 1861–1943
|-
| {{sortname|Samuel|Pasco}} || 1887–1899 || 1 || Florida || Democratic || 1834–1917
|-
| {{sortname|John|Pastore}} || 1950–1976 || 1 || Rhode Island || Democratic || 1907–2000
|-
| {{sortname|William|Paterson|dab=judge}} || 1789–1790 || 2 || New Jersey || [[Federalist Party|Federalist]] || 1745–1806
|-
| {{sortname|David T.|Patterson}} || 1866–1869 || 1 || Tennessee || Democratic || 1818–1891
|-
| {{sortname|James W.|Patterson}} || 1867–1873 || 3 || New Hampshire || Republican || 1823–1893
|-
| {{sortname|John J.|Patterson}} || 1873–1879 || 3 || South Carolina || Republican || 1830–1912
|-
| {{sortname|Roscoe C.|Patterson}} || 1929–1935 || 1 || Missouri || Republican || 1876–1954
|-
| {{sortname|Thomas M.|Patterson}} || 1901–1907 || 2 || Colorado || Democratic || 1839–1916
|-
| {{sortname|John|Patton Jr.||Patton, John Jr.}} || 1894–1895 || 1 || Michigan || Republican || 1850–1907
|-
| {{sortname|Frederick G.|Payne}} || 1953–1959 || 1 || Maine || Republican || 1904–1978
|-
| {{sortname|Henry B.|Payne}} || 1885–1891 || 3 || Ohio || Democratic || 1810–1896
|-
| {{sortname|Thomas H.|Paynter}} || 1907–1913 || 2 || Kentucky || Democratic || 1851–1921
|-
| {{sortname|Roger C.|Peace}} || 1941 || 2 || South Carolina || Democratic || 1899–1968
|-
| {{sortname|James|Pearce|dab=American politician}} || 1843–1856<br />1856–1862 || 3 || Maryland || [[Whig Party (United States)|Whig]]<br />Democratic || 1805–1862
|-
| {{sortname|James B.|Pearson}} || 1962–1978 || 2 || Kansas || Republican || 1920–2009
|-
| {{sortname|Henry R.|Pease}} || 1874–1875 || 1 || Mississippi || Republican || 1835–1907
|-
| {{sortname|William A.|Peffer}} || 1891–1897 || 3 || Kansas || [[People's Party (United States)|Populist]] || 1831–1912
|-
| {{sortname|Claiborne|Pell}} || 1961–1997 || 2 || Rhode Island || Democratic || 1918–2009
|-
| {{sortname|George H.|Pendleton}} || 1879–1885 || 3 || Ohio || Democratic || 1825–1889
|-
| {{sortname|Isaac S.|Pennybacker}} || 1845–1847 || 1 || Virginia || Democratic || 1805–1847
|-
| {{sortname|Boies|Penrose}} || 1897–1921 || 3 || Pennsylvania || Republican || 1860–1921
|-
| {{sortname|Claude|Pepper}} || 1936–1951 || 3 || Florida || Democratic || 1900–1989
|-
| {{sortname|George W.|Pepper}} || 1922–1927 || 3 || Pennsylvania || Republican || 1867–1961
|-
| {{sortname|Charles H.|Percy}} || 1967–1985 || 2 || Illinois || Republican || 1919–2011
|-
| {{sortname|LeRoy|Percy}} || 1910–1913 || 2 || Mississippi || Democratic || 1860–1929
|-
| {{sortname|David|Perdue}} || 2015–2021 || 2 || Georgia || Republican || 1949–present
|-
| {{sortname|Bishop W.|Perkins}} || 1892–1893 || 2 || Kansas || Republican || 1841–1894
|-
| {{sortname|George C.|Perkins}} || 1893–1915 || 3 || California || Republican || 1839–1923
|-
| {{sortname|Kirtland I.|Perky}} || 1912–1913 || 3 || Idaho || Democratic || 1867–1939
|-
| {{sortname|Richard F.|Pettigrew}} || 1889–1896<br />1896–1901 || 2 || South Dakota || Republican<br />[[Silver Republican Party|Silver Republican]] || 1848–1926
|-
| {{sortname|John|Pettit}} || 1853–1855 || 3 || Indiana || Democratic || 1807–1877
|-
| {{sortname|Edmund|Pettus}} || 1897–1907 || 3 || Alabama || Democratic || 1821–1907
|-
| {{sortname|James D.|Phelan}} || 1915–1921 || 3 || California || Democratic || 1861–1930
|-
| {{sortname|Samuel S.|Phelps}} || 1839–1851<br />1853–1854 || 1<br />3 || Vermont || [[Whig Party (United States)|Whig]] || 1793–1855
|-
| {{sortname|Lawrence C.|Phipps}} || 1919–1931 || 2 || Colorado || Republican || 1862–1958
|-
| {{sortname|Israel|Pickens}} || 1826 || 3 || Alabama || Democratic || 1780–1827
|-
| {{sortname|Timothy|Pickering}} || 1803–1811 || 2 || Massachusetts || [[Federalist Party|Federalist]] || 1745–1829
|-
| {{sortname|Franklin|Pierce}} || 1837–1842 || 3 || New Hampshire || Democratic || 1804–1869
|-
| {{sortname|Gilbert A.|Pierce}} || 1889–1891 || 3 || North Dakota || Republican || 1839–1901
|-
| {{sortname|Austin F.|Pike}} || 1883–1886 || 2 || New Hampshire || Republican || 1819–1886
|-
| {{sortname|Samuel H.|Piles}} || 1905–1911 || 1 || Washington || Republican || 1858–1940
|-
| {{sortname|Charles|Pinckney|dab=governor}} || 1798–1801 || 2 || South Carolina || [[Democratic-Republican Party|Democratic-Republican]] || 1754–1824
|-
| {{sortname|William B.|Pine}} || 1925–1931 || 2 || Oklahoma || Republican || 1877–1942
|-
| {{sortname|William|Pinkney}} || 1819–1822 || 1 || Maryland || [[Democratic-Republican Party|Democratic-Republican]] || 1764–1822
|-
| {{sortname|Key|Pittman}} || 1913–1940 || 1 || Nevada || Democratic || 1872–1940
|-
| {{sortname|Orville H.|Platt}} || 1879–1905 || 3 || Connecticut || Republican || 1827–1905
|-
| {{sortname|Thomas C.|Platt}} || data-sort-value="1881–1881" | 1881<br />1897–1909 || 1<br />3 || New York || Republican || 1833–1910
|-
| {{sortname|James|Pleasants}} || 1819–1822 || 2 || Virginia || [[Democratic-Republican Party|Democratic-Republican]] || 1769–1836
|-
| {{sortname|Preston B.|Plumb}} || 1877–1891 || 2 || Kansas || Republican || 1837–1891
|-
| {{sortname|William|Plumer}} || 1802–1807 || 3 || New Hampshire || [[Federalist Party|Federalist]] || 1759–1850
|-
| {{sortname|George|Poindexter}} || 1830–1831<br />1831–1835 || 2 || Mississippi || Democratic<br />[[National Republican Party|National Republican]] || 1779–1853
|-
| {{sortname|Miles|Poindexter}} || 1911–1913<br />1913–1915<br />1915–1923 || 1 || Washington || Republican<br />[[Progressive Party (United States, 1912–1920)|Progressive]]<br />Republican || 1868–1946
|-
| {{sortname|Luke P.|Poland}} || 1865–1867 || 3 || Vermont || Republican || 1815–1887
|-
| {{sortname|Trusten|Polk}} || 1857–1862 || 1 || Missouri || Democratic || 1811–1876
|-
| {{sortname|William P.|Pollock}} || 1918–1919 || 2 || South Carolina || Democratic || 1870–1922
|-
| {{sortname|Atlee|Pomerene}} || 1911–1923 || 1 || Ohio || Democratic || 1863–1937
|-
| {{sortname|Samuel C.|Pomeroy}} || 1861–1873 || 3 || Kansas || Republican || 1816–1891
|-
| {{sortname|John|Pool}} || 1868–1873 || 3 || North Carolina || Republican || 1826–1884
|-
| {{sortname|James P.|Pope}} || 1933–1939 || 3 || Idaho || Democratic || 1884–1966
|-
| {{sortname|John|Pope|dab=Kentucky politician}} || 1807–1813 || 3 || Kentucky || [[Democratic-Republican Party|Democratic-Republican]] || 1770–1845
|-
| {{sortname|Alexander|Porter}} || 1833–1836<br />1836–1837<br />1843–1844 || 3 || Louisiana || [[National Republican Party|National Republican]]<br />[[Whig Party (United States)|Whig]]<br />[[Whig Party (United States)|Whig]] || 1785–1844
|-
| {{sortname|Augustus Seymour|Porter}} || 1840–1845 || 1 || Michigan || [[Whig Party (United States)|Whig]] || 1798–1872
|-
| {{sortname|Rob|Portman}} || 2011–2023 || 3 || Ohio || Republican || 1955–present
|-
| {{sortname|Thomas|Posey}} || 1812–1813 || 2 || Louisiana || [[Democratic-Republican Party|Democratic-Republican]] || 1750–1818
|-
| {{sortname|Charles E.|Potter}} || 1952–1959 || 1 || Michigan || Republican || 1916–1979
|-
| {{sortname|Samuel J.|Potter}} || 1803–1804 || 1 || Rhode Island || [[Democratic-Republican Party|Democratic-Republican]] || 1753–1804
|-
| {{sortname|Richard|Potts}} || 1793–1796 || 1 || Maryland || [[Federalist Party|Federalist]] || 1753–1808
|-
| {{sortname|Lazarus|Powell}} || 1859–1865 || 2 || Kentucky || Democratic || 1812–1867
|-
| {{sortname|Thomas C.|Power}} || 1890–1895 || 2 || Montana || Republican || 1839–1923
|-
| {{sortname|Daniel D.|Pratt}} || 1869–1875 || 1 || Indiana || Republican || 1813–1877
|-
| {{sortname|Thomas|Pratt|dab=Maryland politician}} || 1850–1856<br />1856–1857 || 1 || Maryland || [[Whig Party (United States)|Whig]]<br />Democratic || 1804–1869
|-
| {{sortname|Samuel|Prentiss}} || 1831–1836<br />1836–1842 || 3 || Vermont || [[National Republican Party|National Republican]]<br />[[Whig Party (United States)|Whig]] || 1782–1857
|-
| {{sortname|Larry|Pressler}} || 1979–1997 || 2 || South Dakota || Republican || 1942–present
|-
| {{sortname|William C.|Preston}} || 1833–1837<br />1837–1842 || 3 || South Carolina || [[Nullifier Party|Nullifier]]<br />[[Whig Party (United States)|Whig]] || 1794–1860
|-
| {{sortname|Samuel|Price}} || 1876–1877 || 1 || West Virginia || Democratic || 1805–1884
|-
| {{sortname|Oliver H.|Prince}} || 1828–1829 || 2 || Georgia || Democratic || 1787–1837
|-
| {{sortname|Jeter C.|Pritchard}} || 1895–1903 || 3 || North Carolina || Republican || 1857–1921
|-
| {{sortname|Redfield|Proctor}} || 1891–1908 || 1 || Vermont || Republican || 1831–1908
|-
| {{sortname|Winston L.|Prouty}} || 1959–1971 || 1 || Vermont || Republican || 1906–1971
|-
| {{sortname|William|Proxmire}} || 1957–1989 || 1 || Wisconsin || Democratic || 1915–2005
|-
| {{sortname|David|Pryor}} || 1979–1997 || 2 || Arkansas || Democratic || 1934–2024
|-
| {{sortname|Luke|Pryor}} || 1880 || 3 || Alabama || Democratic || 1820–1900
|-
| {{sortname|Mark|Pryor}} || 2003–2015 || 2 || Arkansas || Democratic || 1963–present
|-
| {{sortname|George E.|Pugh}} || 1855–1861 || 3 || Ohio || Democratic || 1822–1876
|-
| {{sortname|James L.|Pugh}} || 1880–1897 || 3 || Alabama || Democratic || 1820–1907
|-
| {{sortname|William E.|Purcell}} || 1910–1911 || 3 || North Dakota || Democratic || 1856–1928
|-
| {{sortname|William A.|Purtell}} || data-sort-value="1952–1952" | 1952<br />1953–1959 || 3<br />1 || Connecticut || Republican || 1897–1978
|-
| {{sortname|Gladys|Pyle}} || 1938–1939 || 3 || South Dakota || Republican || 1890–1989
|-
| {{sortname|Joseph V.|Quarles}} || 1899–1905 || 1 || Wisconsin || Republican || 1843–1911
|-
| {{sortname|Matthew|Quay}} || 1887–1899<br />1901–1904 || 1 || Pennsylvania || Republican || 1833–1904
|-
| {{sortname|Dan|Quayle}} || 1981–1989 || 3 || Indiana || Republican || 1947–present
|-
| {{sortname|George L. P.|Radcliffe}} || 1935–1947 || 1 || Maryland || Democratic || 1877–1974
|-
| {{sortname|Samuel M.|Ralston}} || 1923–1925 || 1 || Indiana || Democratic || 1857–1925
|-
| {{sortname|Alexander|Ramsey}} || 1863–1875 || 1 || Minnesota || Republican || 1815–1903
|-
| {{sortname|Jennings|Randolph}} || 1958–1985 || 2 || West Virginia || Democratic || 1902–1998
|-
| {{sortname|John|Randolph of Roanoke||Randolph, John}} || 1825–1827 || 1 || Virginia || Democratic || 1773–1833
|-
| {{sortname|Theodore F.|Randolph}} || 1875–1881 || 1 || New Jersey || Democratic || 1826–1883
|-
| {{sortname|Joseph E.|Ransdell}} || 1913–1931 || 2 || Louisiana || Democratic || 1858–1954
|-
| {{sortname|Matt W.|Ransom}} || 1872–1895 || 2 || North Carolina || Democratic || 1826–1904
|-
| {{sortname|Robert|Rantoul Jr.||Rantoul, Robert Jr.}} || 1851 || 1 || Massachusetts || Democratic || 1805–1852
|-
| {{sortname|Joseph L.|Rawlins}} || 1897–1903 || 3 || Utah || Democratic || 1850–1926
|-
| {{sortname|Charles A.|Rawson}} || 1922 || 2 || Iowa || Republican || 1867–1936
|-
| {{sortname|Isidor|Rayner}} || 1905–1912 || 1 || Maryland || Democratic || 1850–1912
|-
| {{sortname|George|Read|dab=American politician, born 1733}} || 1789–1793 || 1 || Delaware || [[Federalist Party|Federalist]] || 1733–1798
|-
| {{sortname|Jacob|Read}} || 1795–1801 || 3 || South Carolina || [[Federalist Party|Federalist]] || 1752–1816
|-
| {{sortname|John H.|Reagan}} || 1887–1891 || 1 || Texas || Democratic || 1818–1905
|-
| {{sortname|Alfred E.|Reames}} || 1938 || 3 || Oregon || Democratic || 1870–1943
|-
| {{sortname|Clyde M.|Reed}} || 1939–1949 || 3 || Kansas || Republican || 1871–1949
|-
| {{sortname|David A.|Reed}} || 1922–1935 || 1 || Pennsylvania || Republican || 1880–1953
|-
| {{sortname|James A.|Reed|dab=politician}} || 1911–1929 || 1 || Missouri || Democratic || 1861–1944
|-
| {{sortname|Philip|Reed|dab=politician}} || 1806–1813 || 3 || Maryland || [[Democratic-Republican Party|Democratic-Republican]] || 1760–1829
|-
| {{sortname|Thomas Buck|Reed}} || 1826–1827<br />1829 || 1<br />2 || Mississippi || Democratic || 1787–1829
|-
| {{sortname|David Settle|Reid}} || 1854–1859 || 2 || North Carolina || Democratic || 1813–1891
|-
| {{sortname|Harry|Reid}} || 1987–2017 || 3 || Nevada || Democratic || 1939–2021
|-
| {{sortname|Hiram R.|Revels}} || 1870–1871 || 2 || Mississippi || Republican || 1827–1901
|-
| {{sortname|Chapman|Revercomb}} || 1943–1949<br />1956–1959 || 2<br />1 || West Virginia || Republican || 1895–1979
|-
| {{sortname|Robert R.|Reynolds}} || 1932–1945 || 3 || North Carolina || Democratic || 1884–1963
|-
| {{sortname|Samuel W.|Reynolds}} || 1954 || 1 || Nebraska || Republican || 1890–1988
|-
| {{sortname|Robert Barnwell|Rhett}} || 1850–1852 || 2 || South Carolina || Democratic || 1800–1876
|-
| {{sortname|Abraham|Ribicoff}} || 1963–1981 || 3 || Connecticut || Democratic || 1910–1998
|-
| {{sortname|Benjamin F.|Rice}} || 1868–1872<br />1872–1873 || 3 || Arkansas || Republican<br />[[Liberal Republican Party (United States)|Liberal Republican]] || 1828–1905
|-
| {{sortname|Henry M.|Rice}} || 1858–1863 || 1 || Minnesota || Democratic || 1816–1894
|-
| {{sortname|Harry A.|Richardson}} || 1907–1913 || 2 || Delaware || Republican || 1853–1928
|-
| {{sortname|William Alexander|Richardson}} || 1863–1865 || 2 || Illinois || Democratic || 1811–1875
|-
| {{sortname|George R.|Riddle}} || 1864–1867 || 1 || Delaware || Democratic || 1817–1867
|-
| {{sortname|Harrison H.|Riddleberger}} || 1883–1889 || 2 || Virginia || [[Readjuster Party|Readjuster]] || 1844–1890
|-
| {{sortname|Henry M.|Ridgely}} || 1827–1829 || 2 || Delaware || Democratic || 1779–1847
|-
| {{sortname|Donald|Riegle}} || 1976–1995 || 1 || Michigan || Democratic || 1938–present
|-
| {{sortname|William Cabell|Rives}} || 1832–1834<br />1836–1839<br />1841–1845 || 2<br />1<br />1 || Virginia || Democratic<br />Democratic<br />[[Whig Party (United States)|Whig]] || 1793–1868
|-
| {{sortname|William N.|Roach}} || 1893–1899 || 1 || North Dakota || Democratic || 1840–1902
|-
| {{sortname|William H.|Roane}} || 1837–1841 || 2 || Virginia || Democratic || 1787–1845
|-
| {{sortname|Chuck|Robb}} || 1989–2001 || 1 || Virginia || Democratic || 1939–present
|-
| {{sortname|Asher|Robbins}} || 1825–1836<br />1836–1839 || 1 || Rhode Island || [[National Republican Party|National Republican]]<br />[[Whig Party (United States)|Whig]] || 1761–1845
|-
| {{sortname|Jonathan|Roberts|dab=politician}} || 1814–1821 || 1 || Pennsylvania || [[Democratic-Republican Party|Democratic-Republican]] || 1771–1854
|-
| {{sortname|Pat|Roberts}} || 1997–2021 || 2 || Kansas || Republican || 1936–present
|-
| {{sortname|A. Willis|Robertson}} || 1946–1966 || 2 || Virginia || Democratic || 1887–1971
|-
| {{sortname|Edward V.|Robertson}} || 1943–1949 || 2 || Wyoming || Republican || 1881–1963
|-
| {{sortname|Thomas J.|Robertson}} || 1868–1877 || 2 || South Carolina || Republican || 1823–1897
|-
| {{sortname|Arthur Raymond|Robinson}} || 1925–1935 || 1 || Indiana || Republican || 1881–1961
|-
| {{sortname|John M.|Robinson|dab=Illinois politician}} || 1830–1841 || 2 || Illinois || Democratic || 1794–1843
|-
| {{sortname|Jonathan|Robinson|dab=American politician}} || 1807–1815 || 1 || Vermont || [[Democratic-Republican Party|Democratic-Republican]] || 1756–1819
|-
| {{sortname|Joseph T.|Robinson}} || 1913–1937 || 2 || Arkansas || Democratic || 1872–1937
|-
| {{sortname|Moses|Robinson}} || 1791–1797 || 1 || Vermont || [[Democratic-Republican Party|Democratic-Republican]] || 1741–1813
|-
| {{sortname|John M.|Robsion}} || 1930 || 2 || Kentucky || Republican || 1873–1948
|-
| {{sortname|Jay|Rockefeller}} || 1985–2015 || 2 || West Virginia || Democratic || 1937–present
|-
| {{sortname|Julius|Rockwell}} || 1854–1855 || 2 || Massachusetts || [[Whig Party (United States)|Whig]] || 1805–1888
|-
| {{sortname|Caesar Augustus|Rodney}} || 1822–1823 || 1 || Delaware || [[Democratic-Republican Party|Democratic-Republican]] || 1772–1824
|-
| {{sortname|Daniel|Rodney}} || 1826–1827 || 2 || Delaware || [[National Republican Party|National Republican]] || 1764–1846
|-
| {{sortname|Edward H.|Rollins}} || 1877–1883 || 2 || New Hampshire || Republican || 1824–1889
|-
| {{sortname|Mitt|Romney}} || 2019–2025 || 1 || Utah || Republican || 1947–present
|-
| {{sortname|Elihu|Root}} || 1909–1915 || 3 || New York || Republican || 1845–1937
|-
| {{sortname|Joseph|Rosier}} || 1941–1942 || 2 || West Virginia || Democratic || 1870–1951
|-
| {{sortname|Edmund G.|Ross}} || 1866–1871 || 2 || Kansas || Republican || 1826–1907
|-
| {{sortname|James|Ross|dab=Pennsylvania politician}} || 1794–1803 || 1 || Pennsylvania || [[Federalist Party|Federalist]] || 1762–1847
|-
| {{sortname|Jonathan|Ross|dab=politician}} || 1899–1900 || 3 || Vermont || Republican || 1826–1905
|-
| {{sortname|William|Roth}} || 1971–2001 || 1 || Delaware || Republican || 1921–2003
|-
| {{sortname|John|Rowan|dab=Kentucky politician}} || 1825–1831 || 3 || Kentucky || Democratic || 1773–1843
|-
| {{sortname|Marco|Rubio}} || 2011–2025 || 3 || Florida || Republican || 1971–present
|-
| {{sortname|Warren|Rudman}} || 1981–1993 || 3 || New Hampshire || Republican || 1930–2012
|-
| {{sortname|Benjamin|Ruggles}} || 1815–1824<br />1824–1833 || 1 || Ohio || [[Democratic-Republican Party|Democratic-Republican]]<br />[[National Republican Party|National Republican]] || 1783–1857
|-
| {{sortname|John|Ruggles}} || 1835–1841 || 2 || Maine || Democratic || 1789–1874
|-
| {{sortname|Thomas Jefferson|Rusk}} || 1846–1857 || 1 || Texas || Democratic || 1803–1857
|-
| {{sortname|Donald S.|Russell}} || 1965–1966 || 3 || South Carolina || Democratic || 1906–1998
|-
| {{sortname|Richard|Russell Jr.||Russell, Richard Jr.}} || 1933–1971 || 2 || Georgia || Democratic || 1897–1971
|-
| {{sortname|John|Rutherfurd}} || 1791–1798 || 1 || New Jersey || [[Federalist Party|Federalist]] || 1760–1840
|-
| {{sortname|Dwight M.|Sabin}} || 1883–1889 || 2 || Minnesota || Republican || 1843–1902
|-
| {{sortname|Frederic M.|Sackett}} || 1925–1930 || 2 || Kentucky || Republican || 1868–1941
|-
| {{sortname|Ken|Salazar}} || 2005–2009 || 3 || Colorado || Democratic || 1955–present
|-
| {{sortname|Pierre|Salinger}} || 1964 || 1 || California || Democratic || 1925–2004
|-
| {{sortname|Leverett|Saltonstall}} || 1945–1967 || 2 || Massachusetts || Republican || 1892–1979
|-
| {{sortname|Newell|Sanders}} || 1912–1913 || 2 || Tennessee || Republican || 1850–1939
|-
| {{sortname|Wilbur F.|Sanders}} || 1890–1893 || 1 || Montana || Republican || 1834–1905
|-
| {{sortname|Nathan|Sanford}} || 1815–1821<br />1826–1831 || 3 || New York || [[Democratic-Republican Party|Democratic-Republican]]<br />[[National Republican Party|National Republican]] || 1777–1838
|-
| {{sortname|Terry|Sanford}} || 1986–1993 || 3 || North Carolina || Democratic || 1917–1998
|-
| {{sortname|Rick|Santorum}} || 1995–2007 || 1 || Pennsylvania || Republican || 1958–present
|-
| {{sortname|Paul|Sarbanes}} || 1977–2007 || 1 || Maryland || Democratic || 1933–2020
|-
| {{sortname|Aaron A.|Sargent}} || 1873–1879 || 3 || California || Republican || 1827–1887
|-
| {{sortname|Ben|Sasse}} || 2015–2023 || 2 || Nebraska || Republican || 1972–present
|-
| {{sortname|Jim|Sasser}} || 1977–1995 || 1 || Tennessee || Democratic || 1936–2024
|-
| {{sortname|Eli|Saulsbury}} || 1871–1889 || 2 || Delaware || Democratic || 1817–1893
|-
| {{sortname|Willard|Saulsbury Jr.||Saulsbury, Willard Jr.}} || 1913–1919 || 2 || Delaware || Democratic || 1861–1927
|-
| {{sortname|Willard|Saulsbury Sr.||Saulsbury, Willard Sr.}} || 1859–1871 || 2 || Delaware || Democratic || 1820–1892
|-
| {{sortname|Alvin|Saunders}} || 1877–1883 || 2 || Nebraska || Republican || 1817–1899
|-
| {{sortname|Frederick A.|Sawyer}} || 1868–1873 || 3 || South Carolina || Republican || 1822–1891
|-
| {{sortname|Philetus|Sawyer}} || 1881–1893 || 1 || Wisconsin || Republican || 1816–1900
|-
| {{sortname|William B.|Saxbe}} || 1969–1974 || 3 || Ohio || Republican || 1916–2010
|-
| {{sortname|Thomas D.|Schall}} || 1925–1935 || 2 || Minnesota || Republican || 1878–1935
|-
| {{sortname|Harrison|Schmitt}} || 1977–1983 || 1 || New Mexico || Republican || 1935–present
|-
| {{sortname|Andrew Frank|Schoeppel}} || 1949–1962 || 2 || Kansas || Republican || 1894–1962
|-
| {{sortname|James|Schureman}} || 1799–1801 || 1 || New Jersey || [[Federalist Party|Federalist]] || 1756–1824
|-
| {{sortname|Carl|Schurz}} || 1869–1871<br />1871–1875 || 1 || Missouri || Republican<br />[[Liberal Republican Party (United States)|Liberal Republican]] || 1829–1906
|-
| {{sortname|Karl C.|Schuyler}} || 1932–1933 || 3 || Colorado || Republican || 1877–1933
|-
| {{sortname|Philip|Schuyler}} || 1789–1791<br />1797–1798 || 1 || New York || [[Federalist Party|Federalist]] || 1733–1804
|-
| {{sortname|Harry|Schwartz|dab=politician}} || 1937–1943 || 2 || Wyoming || Democratic || 1869–1955
|-
| {{sortname|Richard|Schweiker}} || 1969–1981 || 3 || Pennsylvania || Republican || 1926–2015
|-
| {{sortname|Lewis B.|Schwellenbach}} || 1935–1940 || 1 || Washington || Democratic || 1894–1948
|-
| {{sortname|Hugh|Scott}} || 1959–1977 || 1 || Pennsylvania || Republican || 1900–1994
|-
| {{sortname|John|Scott|dab=Pennsylvania politician, born 1824}} || 1869–1875 || 1 || Pennsylvania || Republican || 1824–1896
|-
| {{sortname|Nathan B.|Scott}} || 1899–1911 || 1 || West Virginia || Republican || 1842–1924
|-
| {{sortname|W. Kerr|Scott}} || 1954–1958 || 2 || North Carolina || Democratic || 1896–1958
|-
| {{sortname|William L.|Scott}} || 1973–1979 || 2 || Virginia || Republican || 1915–1997
|-
| {{sortname|James G.|Scrugham}} || 1942–1945 || 1 || Nevada || Democratic || 1880–1945
|-
| {{sortname|Fred A.|Seaton}} || 1951–1952 || 2 || Nebraska || Republican || 1909–1974
|-
| {{sortname|William K.|Sebastian}} || 1848–1861 || 2 || Arkansas || Democratic || 1812–1865
|-
| {{sortname|Theodore|Sedgwick}} || 1796–1799 || 2 || Massachusetts || [[Federalist Party|Federalist]] || 1746–1813
|-
| {{sortname|James|Semple}} || 1843–1847 || 2 || Illinois || Democratic || 1798–1866
|-
| {{sortname|Jeff|Sessions}} || 1997–2017 || 2 || Alabama || Republican || 1946–present
|-
| {{sortname|Ambrose H.|Sevier}} || 1836–1848 || 3 || Arkansas || Democratic || 1801–1848
|-
| {{sortname|William H.|Seward}} || 1849–1855<br />1855–1861 || 3 || New York || [[Whig Party (United States)|Whig]]<br />Republican || 1801–1872
|-
| {{sortname|William J.|Sewell}} || 1881–1887<br />1895–1901 || 1<br />2 || New Jersey || Republican || 1835–1901
|-
| {{sortname|Horatio|Seymour|dab=Vermont politician}} || 1821–1824<br />1824–1833 || 1 || Vermont || [[Democratic-Republican Party|Democratic-Republican]]<br />[[National Republican Party|National Republican]] || 1778–1857
|-
| {{sortname|John|Seymour|dab=California politician}} || 1991–1992 || 1 || California || Republican || 1937–present
|-
| {{sortname|John F.|Shafroth}} || 1913–1919 || 2 || Colorado || Democratic || 1854–1922
|-
| {{sortname|William|Sharon}} || 1875–1881 || 1 || Nevada || Republican || 1821–1885
|-
| {{sortname|James|Sheafe}} || 1801–1802 || 3 || New Hampshire || [[Federalist Party|Federalist]] || 1755–1829
|-
| {{sortname|William Paine|Sheffield Sr.||Sheffield, William Paine Sr.}} || 1884–1885 || 2 || Rhode Island || Republican || 1820–1907
|-
| {{sortname|Richard|Shelby}} || 1987–1994<br />1994–2023 || 3 || Alabama || Democratic<br />Republican || 1934–present
|-
| {{sortname|Ether|Shepley}} || 1833–1836 || 1 || Maine || Democratic || 1789–1877
|-
| {{sortname|Morris|Sheppard}} || 1913–1941 || 2 || Texas || Democratic || 1875–1941
|-
| {{sortname|John|Sherman}} || 1861–1877<br />1881–1897 || 3<br />1 || Ohio || Republican || 1823–1900
|-
| {{sortname|Lawrence Y.|Sherman}} || 1913–1921 || 3 || Illinois || Republican || 1858–1939
|-
| {{sortname|Roger|Sherman}} || 1791–1793 || 3 || Connecticut || [[Federalist Party|Federalist]] || 1721–1793
|-
| {{sortname|James|Shields|dab=politician, born 1806}} || 1849–1855<br />1858–1859<br />1879 || 3<br />2<br />3 || Illinois<br />Minnesota<br />Missouri || Democratic || 1810–1879
|-
| {{sortname|John K.|Shields}} || 1913–1925 || 2 || Tennessee || Democratic || 1858–1934
|-
| {{sortname|Henrik|Shipstead}} || 1923–1941<br />1941–1947 || 1 || Minnesota || [[Minnesota Farmer–Labor Party|Farmer–Labor]]<br />Republican || 1881–1960
|-
| {{sortname|Benjamin F.|Shively}} || 1909–1916 || 3 || Indiana || Democratic || 1857–1916
|-
| {{sortname|Samuel M.|Shortridge}} || 1921–1933 || 3 || California || Republican || 1861–1952
|-
| {{sortname|Hugh Ike|Shott}} || 1942–1943 || 2 || West Virginia || Republican || 1866–1953
|-
| {{sortname|George L.|Shoup}} || 1890–1901 || 2 || Idaho || Republican || 1836–1904
|-
| {{sortname|Nathaniel|Silsbee}} || 1826–1835 || 2 || Massachusetts || [[National Republican Party|National Republican]] || 1773–1850
|-
| {{sortname|F. M.|Simmons}} || 1901–1931 || 2 || North Carolina || Democratic || 1854–1940
|-
| {{sortname|James F.|Simmons}} || 1841–1847<br />1857–1862 || 2<br />1 || Rhode Island || [[Whig Party (United States)|Whig]]<br />Republican || 1795–1864
|-
| {{sortname|Joseph|Simon|dab=politician}} || 1898–1903 || 3 || Oregon || Republican || 1851–1935
|-
| {{sortname|Paul|Simon|dab=politician}} || 1985–1997 || 2 || Illinois || Democratic || 1928–2003
|-
| {{sortname|Alan|Simpson|dab=American politician}} || 1979–1997 || 2 || Wyoming || Republican || 1931–2025
|-
| {{sortname|Milward|Simpson}} || 1962–1967 || 2 || Wyoming || Republican || 1897–1993
|-
| {{sortname|Kyrsten|Sinema}} || 2019–2025 || 1 || Arizona || Democratic<br />Independent || 1976–present
|-
| {{sortname|James H.|Slater}} || 1879–1885 || 3 || Oregon || Democratic || 1826–1899
|-
| {{sortname|James M.|Slattery}} || 1939–1940 || 2 || Illinois || Democratic || 1878–1948
|-
| {{sortname|John|Slidell}} || 1853–1861 || 3 || Louisiana || Democratic || 1793–1871
|-
| {{sortname|George|Smathers}} || 1951–1969 || 3 || Florida || Democratic || 1913–2007
|-
| {{sortname|William H.|Smathers}} || 1937–1943 || 2 || New Jersey || Democratic || 1891–1955
|-
| {{sortname|Benjamin A.|Smith II||Smith, Benjamin A. II}} || 1960–1962 || 1 || Massachusetts || Democratic || 1916–1991
|-
| {{sortname|Bob|Smith|dab=New Hampshire politician}} || 1990–2003 || 2 || New Hampshire || Republican || 1941–present
|-
| {{sortname|Daniel|Smith|dab=surveyor}} || 1798–1799<br />1805–1809 || 1<br />2 || Tennessee || [[Democratic-Republican Party|Democratic-Republican]] || 1748–1818
|-
| {{sortname|Delazon|Smith}} || 1859 || 2 || Oregon || Democratic || 1816–1860
|-
| {{sortname|Ellison D.|Smith}} || 1909–1944 || 3 || South Carolina || Democratic || 1864–1944
|-
| {{sortname|Gordon H.|Smith}} || 1997–2009 || 2 || Oregon || Republican || 1952–present
|-
| {{sortname|H. Alexander|Smith}} || 1944–1959 || 1 || New Jersey || Republican || 1880–1966
|-
| {{sortname|Hoke|Smith}} || 1911–1921 || 3 || Georgia || Democratic || 1855–1931
|-
| {{sortname|Israel|Smith}} || 1803–1807 || 1 || Vermont || [[Democratic-Republican Party|Democratic-Republican]] || 1759–1810
|-
| {{sortname|James|Smith Jr.||Smith, James Jr.}} || 1893–1899 || 1 || New Jersey || Democratic || 1851–1927
|-
| {{sortname|John|Smith|dab=Ohio politician, died 1824}} || 1803–1808 || 1 || Ohio || [[Democratic-Republican Party|Democratic-Republican]] || 1735–1824
|-
| {{sortname|John|Smith|dab=New York politician, born 1752}} || 1804–1813 || 3 || New York || [[Democratic-Republican Party|Democratic-Republican]] || 1735–1816
|-
| {{sortname|John Walter|Smith}} || 1908–1921 || 3 || Maryland || Democratic || 1845–1925
|-
| {{sortname|Marcus A.|Smith}} || 1912–1921 || 3 || Arizona || Democratic || 1851–1924
|-
| {{sortname|Margaret Chase|Smith}} || 1949–1973 || 2 || Maine || Republican || 1897–1995
|-
| {{sortname|Nathan|Smith|dab=politician}} || 1833–1835 || 1 || Connecticut || [[National Republican Party|National Republican]] || 1777–1835
|-
| {{sortname|Oliver H.|Smith}} || 1837–1843 || 3 || Indiana || [[Whig Party (United States)|Whig]] || 1794–1859
|-
| {{sortname|Perry|Smith|dab=politician}} || 1837–1843 || 3 || Connecticut || Democratic || 1783–1852
|-
| {{sortname|Ralph T.|Smith}} || 1969–1970 || 3 || Illinois || Republican || 1915–1972
|-
| {{sortname|Samuel|Smith|dab=Maryland politician}} || 1803–1815<br />1822–1824<br />1824–1833 || 1 || Maryland || [[Democratic-Republican Party|Democratic-Republican]]<br />[[Democratic-Republican Party|Democratic-Republican]]<br />Democratic || 1752–1839
|-
| {{sortname|Truman|Smith}} || 1849–1854 || 3 || Connecticut || [[Whig Party (United States)|Whig]] || 1791–1884
|-
| {{sortname|William|Smith|dab=South Carolina politician, born 1762}} || 1816–1823<br />1826–1831 || 2<br />3 || South Carolina || [[Democratic-Republican Party|Democratic-Republican]]<br />Democratic || 1762–1840
|-
| {{sortname|William Alden|Smith}} || 1907–1919 || 2 || Michigan || Republican || 1859–1932
|-
| {{sortname|Willis|Smith}} || 1950–1953 || 2 || North Carolina || Democratic || 1887–1953
|-
| {{sortname|Reed|Smoot}} || 1903–1933 || 3 || Utah || Republican || 1862–1941
|-
| {{sortname|Olympia|Snowe}} || 1995–2013 || 1 || Maine || Republican || 1947–present
|-
| {{sortname|Pierre|Soulé}} || data-sort-value="1847–1847" | 1847<br />1849–1853 || 2<br />3 || Louisiana || Democratic || 1801–1870
|-
| {{sortname|Samuel L.|Southard}} || 1821–1823<br />1833–1837<br />1837–1842 || 1 || New Jersey || [[Democratic-Republican Party|Democratic-Republican]]<br />[[National Republican Party|National Republican]]<br />[[Whig Party (United States)|Whig]] || 1787–1842
|-
| {{sortname|John|Sparkman}} || 1946–1979 || 2 || Alabama || Democratic || 1899–1985
|-
| {{sortname|Arlen|Specter}} || 1981–2009<br />2009–2011 || 3 || Pennsylvania || Republican<br />Democratic || 1930–2012
|-
| {{sortname|Jesse|Speight}} || 1845–1847 || 1 || Mississippi || Democratic || 1795–1847
|-
| {{sortname|John S.|Spence}} || 1836–1840 || 3 || Maryland || [[Whig Party (United States)|Whig]] || 1788–1840
|-
| {{sortname|George E.|Spencer}} || 1868–1879 || 3 || Alabama || Republican || 1836–1893
|-
| {{sortname|Lloyd|Spencer}} || 1941–1943 || 2 || Arkansas || Democratic || 1893–1981
|-
| {{sortname|Selden P.|Spencer}} || 1918–1925 || 3 || Missouri || Republican || 1862–1925
|-
| {{sortname|William|Spong Jr.||Spong, William Jr.}} || 1966–1973 || 2 || Virginia || Democratic || 1920–1997
|-
| {{sortname|John Coit|Spooner}} || 1885–1891<br />1897–1907 || 3 || Wisconsin || Republican || 1843–1919
|-
| {{sortname|Peleg|Sprague|dab=Maine politician}} || 1829–1835 || 2 || Maine || [[National Republican Party|National Republican]] || 1793–1880
|-
| {{sortname|William|Sprague III||Sprague, William III}} || 1842–1844 || 1 || Rhode Island || [[Whig Party (United States)|Whig]] || 1799–1856
|-
| {{sortname|William|Sprague IV||Sprague, William IV}} || 1863–1873<br />1873–1875 || 1 || Rhode Island || Republican<br />[[Liberal Republican Party (United States)|Liberal Republican]] || 1830–1915
|-
| {{sortname|Presley|Spruance}} || 1847–1853 || 2 || Delaware || [[Whig Party (United States)|Whig]] || 1785–1863
|-
| {{sortname|Watson C.|Squire}} || 1889–1897 || 3 || Washington || Republican || 1838–1926
|-
| {{sortname|Debbie|Stabenow}} || 2001–2025 || 1 || Michigan || Democratic || 1950–present
|-
| {{sortname|Robert|Stafford}} || 1971–1989 || 1 || Vermont || Republican || 1913–2006
|-
| {{sortname|Robert N.|Stanfield}} || 1921–1927 || 3 || Oregon || Republican || 1877–1945
|-
| {{sortname|William A.|Stanfill}} || 1945–1946 || 2 || Kentucky || Republican || 1892–1971
|-
| {{sortname|Leland|Stanford}} || 1885–1893 || 3 || California || Republican || 1824–1893
|-
| {{sortname|Augustus Owsley|Stanley}} || 1919–1925 || 2 || Kentucky || Democratic || 1867–1958
|-
| {{sortname|Joseph|Stanton Jr.||Stanton, Joseph Jr.}} || 1790–1793 || 2 || Rhode Island || [[Democratic-Republican Party|Democratic-Republican]] || 1739–1807
|-
| {{sortname|Benjamin|Stark}} || 1861–1862 || 2 || Oregon || Democratic || 1820–1898
|-
| {{sortname|Ozora P.|Stearns}} || 1871 || 2 || Minnesota || Republican || 1831–1896
|-
| {{sortname|Daniel F.|Steck}} || 1926–1931 || 2 || Iowa || Democratic || 1881–1950
|-
| {{sortname|Frederick|Steiwer}} || 1927–1938 || 3 || Oregon || Republican || 1883–1939
|-
| {{sortname|John C.|Stennis}} || 1947–1989 || 1 || Mississippi || Democratic || 1901–1995
|-
| {{sortname|Hubert D.|Stephens}} || 1923–1935 || 1 || Mississippi || Democratic || 1875–1946
|-
| {{sortname|Isaac|Stephenson}} || 1907–1915 || 3 || Wisconsin || Republican || 1829–1918
|-
| {{sortname|Thomas|Sterling}} || 1913–1925 || 2 || South Dakota || Republican || 1851–1930
|-
| {{sortname|Ted|Stevens}} || 1968–2009 || 2 || Alaska || Republican || 1923–2010
|-
| {{sortname|Adlai|Stevenson III||Stevenson, Adlai III}} || 1970–1981 || 3 || Illinois || Democratic || 1930–2021
|-
| {{sortname|John W.|Stevenson}} || 1871–1877 || 2 || Kentucky || Democratic || 1812–1886
|-
| {{sortname|David|Stewart|dab=Maryland politician}} || 1849–1850 || 1 || Maryland || [[Whig Party (United States)|Whig]] || 1800–1858
|-
| {{sortname|David W.|Stewart}} || 1926–1927 || 3 || Iowa || Republican || 1887–1974
|-
| {{sortname|Donald|Stewart|dab=Alabama politician}} || 1978–1981 || 3 || Alabama || Democratic || 1940–present
|-
| {{sortname|John Wolcott|Stewart}} || 1908 || 1 || Vermont || Republican || 1825–1915
|-
| {{sortname|Tom|Stewart|dab=politician}} || 1938–1949 || 2 || Tennessee || Democratic || 1892–1972
|-
| {{sortname|William M.|Stewart}} || 1864–1875<br />1887–1893<br />1893–1901<br />1901–1905 || 1 || Nevada || Republican<br />Republican<br />[[Silver Republican Party|Silver Republican]]<br />Republican || 1827–1909
|-
| {{sortname|Francis B.|Stockbridge}} || 1887–1894 || 1 || Michigan || Republican || 1826–1894
|-
| {{sortname|John P.|Stockton}} || 1865–1866<br />1869–1875 || 2<br />1 || New Jersey || Democratic || 1826–1900
|-
| {{sortname|Richard|Stockton|dab=senator}} || 1796–1799 || 2 || New Jersey || [[Federalist Party|Federalist]] || 1764–1828
|-
| {{sortname|Robert F.|Stockton}} || 1851–1853 || 1 || New Jersey || Democratic || 1795–1866
|-
| {{sortname|Montfort|Stokes}} || 1816–1823 || 2 || North Carolina || [[Democratic-Republican Party|Democratic-Republican]] || 1762–1842
|-
| {{sortname|David|Stone|dab=politician}} || 1801–1807<br />1813–1814 || 3 || North Carolina || [[Democratic-Republican Party|Democratic-Republican]] || 1770–1818
|-
| {{sortname|Richard|Stone|dab=politician}} || 1975–1980 || 3 || Florida || Democratic || 1928–2019
|-
| {{sortname|William J.|Stone}} || 1903–1918 || 3 || Missouri || Democratic || 1848–1918
|-
| {{sortname|Clement|Storer}} || 1817–1819 || 3 || New Hampshire || [[Democratic-Republican Party|Democratic-Republican]] || 1760–1830
|-
| {{sortname|Thomas M.|Storke}} || 1938–1939 || 3 || California || Democratic || 1876–1971
|-
| {{sortname|Luther|Strange}} || 2017–2018 || 2 || Alabama || Republican || 1953–present
|-
| {{sortname|Robert|Strange|dab=American politician}} || 1836–1840 || 3 || North Carolina || Democratic || 1796–1854
|-
| {{sortname|Caleb|Strong}} || 1789–1796 || 2 || Massachusetts || [[Federalist Party|Federalist]] || 1745–1819
|-
| {{sortname|Charles E.|Stuart}} || 1853–1859 || 2 || Michigan || Democratic || 1810–1887
|-
| {{sortname|Daniel|Sturgeon}} || 1840–1851 || 1 || Pennsylvania || Democratic || 1789–1878
|-
| {{sortname|Patrick Joseph|Sullivan}} || 1929–1930 || 2 || Wyoming || Republican || 1865–1935
|-
| {{sortname|William V.|Sullivan}} || 1898–1901 || 2 || Mississippi || Democratic || 1857–1918
|-
| {{sortname|Charles|Sumner}} || 1851–1857<br />1857–1872<br />1872–1874 || 1 || Massachusetts || [[Free Soil Party|Free Soil]]<br />Republican<br />[[Liberal Republican Party (United States)|Liberal Republican]] || 1811–1874
|-
| {{sortname|Thomas|Sumter}} || 1801–1810 || 2 || South Carolina || [[Democratic-Republican Party|Democratic-Republican]] || 1734–1832
|-
| {{sortname|John E.|Sununu}} || 2003–2009 || 2 || New Hampshire || Republican || 1964–present
|-
| {{sortname|George|Sutherland}} || 1905–1917 || 1 || Utah || Republican || 1862–1942
|-
| {{sortname|Howard|Sutherland}} || 1917–1923 || 1 || West Virginia || Republican || 1865–1950
|-
| {{sortname|Claude A.|Swanson}} || 1910–1933 || 1 || Virginia || Democratic || 1862–1939
|-
| {{sortname|Benjamin|Swift}} || 1833–1836<br />1836–1839 || 1 || Vermont || [[National Republican Party|National Republican]]<br />[[Whig Party (United States)|Whig]] || 1781–1847
|-
| {{sortname|George R.|Swift}} || 1946 || 2 || Alabama || Democratic || 1887–1972
|-
| {{sortname|Stuart|Symington}} || 1953–1976 || 1 || Missouri || Democratic || 1901–1988
|-
| {{sortname|Steve|Symms}} || 1981–1993 || 3 || Idaho || Republican || 1938–2024
|-
| {{sortname|Horace|Tabor}} || 1883 || 2 || Colorado || Republican || 1830–1899
|-
| {{sortname|Kingsley A.|Taft}} || 1946–1947 || 1 || Ohio || Republican || 1903–1970
|-
| {{sortname|Robert A.|Taft}} || 1939–1953 || 3 || Ohio || Republican || 1889–1953
|-
| {{sortname|Robert|Taft Jr.||Taft, Robert Jr.}} || 1971–1976 || 1 || Ohio || Republican || 1917–1993
|-
| {{sortname|Thomas|Taggart}} || 1916 || 3 || Indiana || Democratic || 1856–1929
|-
| {{sortname|Charles|Tait|dab=politician}} || 1809–1819 || 3 || Georgia || [[Democratic-Republican Party|Democratic-Republican]] || 1768–1835
|-
| {{sortname|Isham|Talbot}} || 1815–1819<br />1820–1824<br />1824–1825 || 3 || Kentucky || [[Democratic-Republican Party|Democratic-Republican]]<br />[[Democratic-Republican Party|Democratic-Republican]]<br />[[National Republican Party|National Republican]] || 1773–1837
|-
| {{sortname|Jim|Talent}} || 2002–2007 || 1 || Missouri || Republican || 1956–present
|-
| {{sortname|James|Taliaferro}} || 1899–1911 || 1 || Florida || Democratic || 1847–1934
|-
| {{sortname|Nathaniel P.|Tallmadge}} || 1833–1839<br />1839–1844 || 1 || New York || Democratic<br />[[Whig Party (United States)|Whig]] || 1795–1864
|-
| {{sortname|Herman|Talmadge}} || 1957–1981 || 3 || Georgia || Democratic || 1913–2002
|-
| {{sortname|Benjamin|Tappan}} || 1839–1845 || 1 || Ohio || Democratic || 1773–1857
|-
| {{sortname|Josiah|Tattnall|dab=politician}} || 1796–1799 || 2 || Georgia || [[Democratic-Republican Party|Democratic-Republican]] || 1762–1803
|-
| {{sortname|Glen H.|Taylor}} || 1945–1951 || 3 || Idaho || Democratic || 1904–1984
|-
| {{sortname|John|Taylor of Caroline||Taylor, John}} || 1792–1794<br />1803<br />1822–1824 || 2<br />1<br />2 || Virginia || [[Democratic-Republican Party|Democratic-Republican]] || 1753–1824
|-
| {{sortname|John|Taylor|dab=South Carolina governor}} || 1810–1816 || 2 || South Carolina || [[Democratic-Republican Party|Democratic-Republican]] || 1770–1832
|-
| {{sortname|Robert Love|Taylor}} || 1907–1912 || 2 || Tennessee || Democratic || 1850–1912
|-
| {{sortname|Waller|Taylor}} || 1816–1824<br />1824–1825 || 3 || Indiana || [[Democratic-Republican Party|Democratic-Republican]]<br />[[National Republican Party|National Republican]] || 1786–1826
|-
| {{sortname|Henry|Tazewell}} || 1794–1799 || 2 || Virginia || [[Democratic-Republican Party|Democratic-Republican]] || 1753–1799
|-
| {{sortname|Littleton Waller|Tazewell}} || 1824–1832 || 2 || Virginia || Democratic || 1774–1860
|-
| {{sortname|Henry M.|Teller}} || 1876–1882<br />1885–1897<br />1897–1901<br />1901–1909 || 2<br />3<br />3<br />3 || Colorado || Republican<br />Republican<br />[[Silver Republican Party|Silver Republican]]<br />Democratic || 1830–1914
|-
| {{sortname|John C.|Ten Eyck}} || 1859–1865 || 2 || New Jersey || Republican || 1814–1879
|-
| {{sortname|Joseph M.|Terrell}} || 1910–1911 || 3 || Georgia || Democratic || 1861–1912
|-
| {{sortname|Jon|Tester}} || 2007–2025 || 1 || Montana || Democratic || 1956–present
|-
| {{sortname|John Milton|Thayer}} || 1867–1871 || 2 || Nebraska || Republican || 1820–1906
|-
| {{sortname|Charles S.|Thomas}} || 1913–1921 || 3 || Colorado || Democratic || 1849–1934
|-
| {{sortname|Craig L.|Thomas}} || 1995–2007 || 1 || Wyoming || Republican || 1933–2007
|-
| {{sortname|Elbert D.|Thomas}} || 1933–1951 || 3 || Utah || Democratic || 1883–1953
|-
| {{sortname|Elmer|Thomas}} || 1927–1951 || 3 || Oklahoma || Democratic || 1876–1965
|-
| {{sortname|Jesse B.|Thomas}} || 1818–1824<br />1824–1829 || 2 || Illinois || [[Democratic-Republican Party|Democratic-Republican]]<br />[[National Republican Party|National Republican]] || 1777–1853
|-
| {{sortname|John|Thomas|dab=Idaho politician}} || 1928–1933<br />1940–1945 || 3<br />2 || Idaho || Republican || 1874–1945
|-
| {{sortname|Fountain L.|Thompson}} || 1909–1910 || 3 || North Dakota || Democratic || 1854–1942
|-
| {{sortname|Fred|Thompson}} || 1994–2003 || 2 || Tennessee || Republican || 1942–2015
|-
| {{sortname|John Burton|Thompson}} || 1853–1857<br />1857–1859 || 2 || Kentucky || [[Whig Party (United States)|Whig]]<br />[[Know Nothing|American]] || 1810–1874
|-
| {{sortname|Thomas W.|Thompson}} || 1814–1817 || 2 || New Hampshire || [[Federalist Party|Federalist]] || 1766–1821
|-
| {{sortname|William H.|Thompson|dab=Kansas politician}} || 1913–1919 || 2 || Kansas || Democratic || 1871–1928
|-
| {{sortname|William H.|Thompson|dab=Nebraska politician}} || 1933–1934 || 1 || Nebraska || Democratic || 1853–1937
|-
| {{sortname|John Renshaw|Thomson}} || 1853–1862 || 1 || New Jersey || Democratic || 1800–1862
|-
| {{sortname|John|Thornton|dab=American politician}} || 1910–1915 || 3 || Louisiana || Democratic || 1846–1917
|-
| {{sortname|Buckner|Thruston}} || 1805–1809 || 2 || Kentucky || [[Democratic-Republican Party|Democratic-Republican]] || 1763–1845
|-
| {{sortname|Allen G.|Thurman}} || 1869–1881 || 1 || Ohio || Democratic || 1813–1895
|-
| {{sortname|Strom|Thurmond}} || 1954–1956<br />1956–1964<br />1964–2003 || 2 || South Carolina || Democratic<br />Democratic<br />Republican || 1902–2003
|-
| {{sortname|John M.|Thurston}} || 1895–1901 || 2 || Nebraska || Republican || 1847–1916
|-
| {{sortname|Edward J.|Thye}} || 1947–1959 || 1 || Minnesota || Republican || 1896–1969
|-
| {{sortname|Isaac|Tichenor}} || 1796–1797<br />1815–1821 || 1 || Vermont || [[Federalist Party|Federalist]] || 1754–1848
|-
| {{sortname|Edward|Tiffin}} || 1807–1809 || 3 || Ohio || [[Democratic-Republican Party|Democratic-Republican]] || 1766–1829
|-
| {{sortname|Benjamin|Tillman}} || 1895–1918 || 2 || South Carolina || Democratic || 1847–1918
|-
| {{sortname|John|Tipton}} || 1832–1839 || 1 || Indiana || Democratic || 1786–1839
|-
| {{sortname|Thomas|Tipton}} || 1867–1873<br />1873–1875 || 1 || Nebraska || Republican<br />[[Liberal Republican Party (United States)|Liberal Republican]] || 1817–1899
|-
| {{sortname|Charles W.|Tobey}} || 1939–1953 || 3 || New Hampshire || Republican || 1880–1953
|-
| {{sortname|Gideon|Tomlinson}} || 1831–1837 || 3 || Connecticut || [[National Republican Party|National Republican]] || 1780–1854
|-
| {{sortname|Robert|Toombs}} || 1853–1855<br />1855–1861 || 2 || Georgia || [[Whig Party (United States)|Whig]]<br />Democratic || 1810–1885
|-
| {{sortname|Pat|Toomey}} || 2011–2023 || 3 || Pennsylvania || Republican || 1961–present
|-
| {{sortname|Robert|Torricelli}} || 1997–2003 || 2 || New Jersey || Democratic || 1951–present
|-
| {{sortname|Isaac|Toucey}} || 1852–1857 || 1 || Connecticut || Democratic || 1792–1869
|-
| {{sortname|John|Tower}} || 1961–1985 || 2 || Texas || Republican || 1925–1991
|-
| {{sortname|Charles A.|Towne}} || 1900–1901 || 1 || Minnesota || Democratic || 1858–1928
|-
| {{sortname|Charles E.|Townsend}} || 1911–1923 || 1 || Michigan || Republican || 1856–1924
|-
| {{sortname|John G.|Townsend Jr.||Townsend, John G. Jr.}} || 1929–1941 || 1 || Delaware || Republican || 1871–1964
|-
| {{sortname|Uriah|Tracy}} || 1796–1807 || 3 || Connecticut || [[Federalist Party|Federalist]] || 1755–1807
|-
| {{sortname|Park|Trammell}} || 1917–1936 || 1 || Florida || Democratic || 1876–1936
|-
| {{sortname|Paul|Trible}} || 1983–1989 || 1 || Virginia || Republican || 1946–present
|-
| {{sortname|William A.|Trimble}} || 1819–1821 || 3 || Ohio || [[Democratic-Republican Party|Democratic-Republican]] || 1786–1821
|-
| {{sortname|James F.|Trotter}} || 1838 || 1 || Mississippi || Democratic || 1802–1866
|-
| {{sortname|George|Troup}} || 1816–1818<br />1829–1833 || 2 || Georgia || [[Democratic-Republican Party|Democratic-Republican]]<br />Democratic || 1780–1856
|-
| {{sortname|Harry S.|Truman}} || 1935–1945 || 1 || Missouri || Democratic || 1884–1972
|-
| {{sortname|Jonathan|Trumbull Jr.||Trumbull, Jonathan Jr.}} || 1795–1796 || 3 || Connecticut || [[Federalist Party|Federalist]] || 1740–1809
|-
| {{sortname|Lyman|Trumbull}} || 1855–1857<br />1857–1872<br />1872–1873 || 3 || Illinois || Democratic<br />Republican<br />[[Liberal Republican Party (United States)|Liberal Republican]] || 1813–1896
|-
| {{sortname|Paul|Tsongas}} || 1979–1985 || 2 || Massachusetts || Democratic || 1941–1997
|-
| {{sortname|James M.|Tunnell}} || 1941–1947 || 1 || Delaware || Democratic || 1879–1957
|-
| {{sortname|John V.|Tunney}} || 1971–1977 || 1 || California || Democratic || 1934–2018
|-
| {{sortname|Thomas B.|Turley}} || 1897–1901 || 2 || Tennessee || Democratic || 1845–1910
|-
| {{sortname|George|Turner|dab=American politician}} || 1897–1901<br />1901–1903 || 3 || Washington || [[Silver Republican Party|Silver Republican]]<br />Democratic || 1850–1932
|-
| {{sortname|James|Turner|dab=North Carolina politician}} || 1805–1816 || 2 || North Carolina || [[Democratic-Republican Party|Democratic-Republican]] || 1766–1824
|-
| {{sortname|Hopkins L.|Turney}} || 1845–1851 || 1 || Tennessee || Democratic || 1797–1857
|-
| {{sortname|David|Turpie}} || data-sort-value="1863–1863" | 1863<br />1887–1899 || 1 || Indiana || Democratic || 1828–1909
|-
| {{sortname|Joseph|Tydings}} || 1965–1971 || 1 || Maryland || Democratic || 1928–2018
|-
| {{sortname|Millard|Tydings}} || 1927–1951 || 3 || Maryland || Democratic || 1890–1961
|-
| {{sortname|John|Tyler}} || 1827–1833<br />1833–1836 || 1 || Virginia || Democratic<br />[[National Republican Party|National Republican]] || 1790–1862
|-
| {{sortname|Lawrence|Tyson}} || 1925–1929 || 2 || Tennessee || Democratic || 1861–1929
|-
| {{sortname|Mark|Udall}} || 2009–2015 || 2 || Colorado || Democratic || 1950–present
|-
| {{sortname|Tom|Udall}} || 2009–2021 || 2 || New Mexico || Democratic || 1948–present
|-
| {{sortname|William B.|Umstead}} || 1946–1948 || 2 || North Carolina || Democratic || 1895–1954
|-
| {{sortname|Joseph R.|Underwood}} || 1847–1853 || 2 || Kentucky || [[Whig Party (United States)|Whig]] || 1791–1876
|-
| {{sortname|Oscar|Underwood}} || 1915–1927 || 3 || Alabama || Democratic || 1862–1929
|-
| {{sortname|Thomas R.|Underwood}} || 1951–1952 || 2 || Kentucky || Democratic || 1898–1956
|-
| {{sortname|William|Upham}} || 1843–1853 || 3 || Vermont || [[Whig Party (United States)|Whig]] || 1792–1853
|-
| {{sortname|Robert W.|Upton}} || 1953–1954 || 3 || New Hampshire || Republican || 1884–1972
|-
| {{sortname|Martin|Van Buren}} || 1821–1824<br />1824–1828 || 1 || New York || [[Democratic-Republican Party|Democratic-Republican]]<br />Democratic || 1782–1862
|-
| {{sortname|Nicholas|Van Dyke|dab=politician, born 1769}} || 1817–1824<br />1824–1826 || 2 || Delaware || [[Federalist Party|Federalist]]<br />[[National Republican Party|National Republican]] || 1770–1826
|-
| {{sortname|Frederick|Van Nuys}} || 1933–1944 || 3 || Indiana || Democratic || 1874–1944
|-
| {{sortname|Peter G.|Van Winkle}} || 1863–1867<br />1867–1869 || 1 || West Virginia || [[Unionist politician (American Civil War)|Union]]<br />Republican || 1808–1872
|-
| {{sortname|Charles|Van Wyck}} || 1881–1887 || 1 || Nebraska || Republican || 1824–1895
|-
| {{sortname|JD|Vance}} || 2023–2025 || 3 || Ohio || Republican || 1984–present
|-
| {{sortname|Zebulon|Vance}} || 1879–1894 || 3 || North Carolina || Democratic || 1830–1894
|-
| {{sortname|Arthur|Vandenberg}} || 1928–1951 || 1 || Michigan || Republican || 1884–1951
|-
| {{sortname|James K.|Vardaman}} || 1913–1919 || 2 || Mississippi || Democratic || 1861–1930
|-
| {{sortname|Joseph Bradley|Varnum}} || 1811–1817 || 2 || Massachusetts || [[Democratic-Republican Party|Democratic-Republican]] || 1751–1821
|-
| {{sortname|Abraham B.|Venable}} || 1803–1804 || 1 || Virginia || [[Democratic-Republican Party|Democratic-Republican]] || 1758–1811
|-
| {{sortname|George Graham|Vest}} || 1879–1903 || 3 || Missouri || Democratic || 1830–1904
|-
| {{sortname|George|Vickers}} || 1868–1873 || 3 || Maryland || Democratic || 1801–1879
|-
| {{sortname|William F.|Vilas}} || 1891–1897 || 3 || Wisconsin || Democratic || 1840–1908
|-
| {{sortname|John|Vining}} || 1793–1798 || 2 || Delaware || [[Federalist Party|Federalist]] || 1758–1802
|-
| {{sortname|David|Vitter}} || 2005–2017 || 3 || Louisiana || Republican || 1961–present
|-
| {{sortname|George|Voinovich}} || 1999–2011 || 3 || Ohio || Republican || 1936–2016
|-
| {{sortname|Daniel W.|Voorhees}} || 1877–1897 || 3 || Indiana || Democratic || 1827–1897
|-
| {{sortname|Benjamin|Wade}} || 1851–1856<br />1856–1869 || 1 || Ohio || [[Whig Party (United States)|Whig]]<br />Republican || 1800–1878
|-
| {{sortname|Bainbridge|Wadleigh}} || 1873–1879 || 3 || New Hampshire || Republican || 1831–1891
|-
| {{sortname|James W.|Wadsworth Jr.||Wadsworth, James W. Jr.}} || 1915–1927 || 3 || New York || Republican || 1877–1952
|-
| {{sortname|George A.|Waggaman}} || 1831–1835 || 2 || Louisiana || [[National Republican Party|National Republican]] || 1782–1843
|-
| {{sortname|Robert F.|Wagner}} || 1927–1949 || 3 || New York || Democratic || 1877–1953
|-
| {{sortname|Frederic C.|Walcott}} || 1929–1935 || 1 || Connecticut || Republican || 1869–1949
|-
| {{sortname|John|Wales}} || 1849–1851 || 1 || Delaware || [[Whig Party (United States)|Whig]] || 1783–1863
|-
| {{sortname|Freeman|Walker}} || 1819–1821 || 2 || Georgia || [[Democratic-Republican Party|Democratic-Republican]] || 1780–1827
|-
| {{sortname|George|Walker|dab=Kentucky politician}} || 1814 || 2 || Kentucky || [[Democratic-Republican Party|Democratic-Republican]] || 1763–1819
|-
| {{sortname|Isaac P.|Walker}} || 1848–1855 || 3 || Wisconsin || Democratic || 1815–1872
|-
| {{sortname|James D.|Walker}} || 1879–1885 || 3 || Arkansas || Democratic || 1830–1906
|-
| {{sortname|John|Walker|dab=Virginia politician}} || 1790 || 1 || Virginia || [[Federalist Party|Federalist]] || 1744–1809
|-
| {{sortname|John Williams|Walker}} || 1819–1822 || 3 || Alabama || [[Democratic-Republican Party|Democratic-Republican]] || 1783–1823
|-
| {{sortname|Robert J.|Walker}} || 1835–1845 || 2 || Mississippi || Democratic || 1801–1869
|-
| {{sortname|Walter|Walker|dab=politician}} || 1932 || 3 || Colorado || Democratic || 1883–1956
|-
| {{sortname|Garret D.|Wall}} || 1835–1841 || 2 || New Jersey || Democratic || 1783–1850
|-
| {{sortname|James Walter|Wall}} || 1863 || 1 || New Jersey || Democratic || 1820–1872
|-
| {{sortname|William A.|Wallace}} || 1875–1881 || 1 || Pennsylvania || Democratic || 1827–1896
|-
| {{sortname|Monrad|Wallgren}} || 1940–1945 || 1 || Washington || Democratic || 1891–1961
|-
| {{sortname|Malcolm|Wallop}} || 1977–1995 || 1 || Wyoming || Republican || 1933–2011
|-
| {{sortname|Arthur|Walsh|dab=U.S. senator}} || 1943–1944 || 1 || New Jersey || Democratic || 1896–1947
|-
| {{sortname|David I.|Walsh}} || 1919–1925<br />1926–1947 || 2<br />1 || Massachusetts || Democratic || 1872–1947
|-
| {{sortname|John|Walsh|dab=Montana politician}} || 2014–2015 || 2 || Montana || Democratic || 1960–present
|-
| {{sortname|Patrick|Walsh|dab=Georgia politician}} || 1894–1895 || 2 || Georgia || Democratic || 1840–1899
|-
| {{sortname|Thomas J.|Walsh}} || 1913–1933 || 2 || Montana || Democratic || 1859–1933
|-
| {{sortname|Herbert S.|Walters}} || 1963–1964 || 2 || Tennessee || Democratic || 1891–1973
|-
| {{sortname|Edward C.|Walthall}} || 1885–1894<br />1895–1898 || 2 || Mississippi || Democratic || 1831–1898
|-
| {{sortname|George|Walton}} || 1795–1796 || 2 || Georgia || [[Federalist Party|Federalist]] || 1749–1804
|-
| {{sortname|Matthias|Ward}} || 1858–1859 || 1 || Texas || Democratic || 1805–1861
|-
| {{sortname|Nicholas|Ware}} || 1821–1824 || 2 || Georgia || [[Democratic-Republican Party|Democratic-Republican]] || 1769–1824
|-
| {{sortname|John|Warner}} || 1979–2009 || 2 || Virginia || Republican || 1927–2021
|-
| {{sortname|Willard|Warner}} || 1868–1871 || 2 || Alabama || Republican || 1826–1906
|-
| {{sortname|William|Warner|dab=Missouri politician}} || 1905–1911 || 1 || Missouri || Republican || 1840–1916
|-
| {{sortname|Francis E.|Warren}} || 1890–1893<br />1895–1929 || 1<br />2 || Wyoming || Republican || 1844–1929
|-
| {{sortname|William B.|Washburn}} || 1874–1875 || 1 || Massachusetts || Republican || 1820–1887
|-
| {{sortname|William D.|Washburn}} || 1889–1895 || 2 || Minnesota || Republican || 1831–1912
|-
| {{sortname|Charles W.|Waterman}} || 1927–1932 || 3 || Colorado || Republican || 1861–1932
|-
| {{sortname|Arthur V.|Watkins}} || 1947–1959 || 1 || Utah || Republican || 1886–1973
|-
| {{sortname|Clarence W.|Watson}} || 1911–1913 || 2 || West Virginia || Democratic || 1864–1940
|-
| {{sortname|James|Watson|dab=New York politician}} || 1798–1800 || 1 || New York || [[Federalist Party|Federalist]] || 1750–1806
|-
| {{sortname|James E.|Watson}} || 1916–1933 || 3 || Indiana || Republican || 1864–1948
|-
| {{sortname|Thomas E.|Watson}} || 1921–1922 || 3 || Georgia || Democratic || 1856–1922
|-
| {{sortname|Jim|Webb}} || 2007–2013 || 1 || Virginia || Democratic || 1946–present
|-
| {{sortname|William R.|Webb}} || 1913 || 2 || Tennessee || Democratic || 1842–1926
|-
| {{sortname|Daniel|Webster}} || 1827–1833<br />1833–1841<br />1845–1850 || 1 || Massachusetts || [[National Republican Party|National Republican]]<br />[[Whig Party (United States)|Whig]]<br />[[Whig Party (United States)|Whig]] || 1782–1852
|-
| {{sortname|John W.|Weeks}} || 1913–1919 || 2 || Massachusetts || Republican || 1860–1926
|-
| {{sortname|Sinclair|Weeks}} || 1944 || 2 || Massachusetts || Republican || 1893–1972
|-
| {{sortname|Lowell|Weicker}} || 1971–1989 || 1 || Connecticut || Republican || 1931–2023
|-
| {{sortname|Adonijah|Welch}} || 1868–1869 || 1 || Florida || Republican || 1821–1889
|-
| {{sortname|Herman|Welker}} || 1951–1957 || 3 || Idaho || Republican || 1906–1957
|-
| {{sortname|John B.|Weller}} || 1852–1857 || 1 || California || Democratic || 1812–1875
|-
| {{sortname|Ovington|Weller}} || 1921–1927 || 3 || Maryland || Republican || 1862–1947
|-
| {{sortname|George L.|Wellington}} || 1897–1903 || 3 || Maryland || Democratic || 1852–1927
|-
| {{sortname|John S.|Wells}} || 1855 || 3 || New Hampshire || Democratic || 1803–1860
|-
| {{sortname|William H.|Wells}} || 1799–1804<br />1813–1817 || 2 || Delaware || [[Federalist Party|Federalist]] || 1769–1829
|-
| {{sortname|Paul|Wellstone}} || 1991–2002 || 2 || Minnesota || Democratic || 1944–2002
|-
| {{sortname|J. R.|West}} || 1871–1872<br />1872<br />1872–1877 || 2 || Louisiana || Republican<br />[[Liberal Republican Party (United States)|Liberal Republican]]<br />Republican || 1822–1898
|-
| {{sortname|William Stanley|West}} || 1914 || 2 || Georgia || Democratic || 1849–1914
|-
| {{sortname|James|Westcott}} || 1845–1849 || 3 || Florida || Democratic || 1802–1880
|-
| {{sortname|George P.|Wetmore}} || 1895–1907<br />1908–1913 || 2 || Rhode Island || Republican || 1846–1921
|-
| {{sortname|Jesse|Wharton}} || 1814–1815 || 2 || Tennessee || [[Democratic-Republican Party|Democratic-Republican]] || 1782–1833
|-
| {{sortname|Burton K.|Wheeler}} || 1923–1947 || 1 || Montana || Democratic || 1882–1975
|-
| {{sortname|Kenneth S.|Wherry}} || 1943–1951 || 2 || Nebraska || Republican || 1892–1951
|-
| {{sortname|James|Whitcomb}} || 1849–1852 || 3 || Indiana || Democratic || 1795–1852
|-
| {{sortname|Albert Smith|White}} || 1839–1845 || 1 || Indiana || [[Whig Party (United States)|Whig]] || 1803–1864
|-
| {{sortname|Edward Douglass|White}} || 1891–1894 || 3 || Louisiana || Democratic || 1845–1921
|-
| {{sortname|Frank|White|dab=Alabama politician}} || 1914–1915 || 3 || Alabama || Democratic || 1847–1922
|-
| {{sortname|Hugh Lawson|White}} || 1825–1835<br />1835–1836<br />1836–1840 || 2 || Tennessee || Democratic<br />[[National Republican Party|National Republican]]<br />[[Whig Party (United States)|Whig]] || 1773–1840
|-
| {{sortname|Samuel|White|dab=American politician}} || 1801–1809 || 1 || Delaware || [[Federalist Party|Federalist]] || 1770–1809
|-
| {{sortname|Stephen M.|White}} || 1893–1899 || 1 || California || Democratic || 1853–1901
|-
| {{sortname|Wallace H.|White}} || 1931–1949 || 2 || Maine || Republican || 1877–1952
|-
| {{sortname|Jenkin|Whiteside}} || 1809–1811 || 2 || Tennessee || [[Democratic-Republican Party|Democratic-Republican]] || 1772–1822
|-
| {{sortname|Washington C.|Whitthorne}} || 1886–1887 || 1 || Tennessee || Democratic || 1825–1891
|-
| {{sortname|William Pinkney|Whyte}} || 1868–1869<br />1875–1881<br />1906–1908 || 1<br />1<br />3 || Maryland || Democratic || 1824–1908
|-
| {{sortname|Louis|Wigfall}} || 1859–1861 || 1 || Texas || Democratic || 1816–1874
|-
| {{sortname|Leonard|Wilcox}} || 1842–1843 || 3 || New Hampshire || Democratic || 1799–1850
|-
| {{sortname|Alexander|Wiley}} || 1939–1963 || 3 || Wisconsin || Republican || 1884–1967
|-
| {{sortname|Xenophon P.|Wilfley}} || 1918 || 3 || Missouri || Democratic || 1871–1931
|-
| {{sortname|William|Wilkins|dab=American politician}} || 1831–1834 || 3 || Pennsylvania || Democratic || 1779–1865
|-
| {{sortname|Morton S.|Wilkinson}} || 1859–1865 || 2 || Minnesota || Republican || 1819–1894
|-
| {{sortname|Calvin|Willey}} || 1825–1831 || 3 || Connecticut || [[National Republican Party|National Republican]] || 1776–1858
|-
| {{sortname|Waitman T.|Willey}} || 1861–1863<br />1863–1871 || 1<br />2 || Virginia<br />West Virginia || [[Unionist politician (American Civil War)|Union]]<br />Republican || 1811–1900
|-
| {{sortname|Abram|Williams}} || 1886–1887 || 1 || California || Republican || 1832–1911
|-
| {{sortname|George H.|Williams|dab=Missouri politician}} || 1925–1926 || 3 || Missouri || Republican || 1871–1963
|-
| {{sortname|George Henry|Williams}} || 1865–1871 || 2 || Oregon || Republican || 1823–1910
|-
| {{sortname|Harrison A.|Williams}} || 1959–1982 || 1 || New Jersey || Democratic || 1919–2001
|-
| {{sortname|Jared W.|Williams}} || 1853–1854 || 2 || New Hampshire || Democratic || 1796–1864
|-
| {{sortname|John|Williams|dab=Tennessee politician}} || 1815–1823 || 2 || Tennessee || [[Democratic-Republican Party|Democratic-Republican]] || 1778–1837
|-
| {{sortname|John J.|Williams|dab=politician}} || 1947–1970 || 1 || Delaware || Republican || 1904–1988
|-
| {{sortname|John Sharp|Williams}} || 1911–1923 || 1 || Mississippi || Democratic || 1854–1932
|-
| {{sortname|John Stuart|Williams}} || 1879–1885 || 3 || Kentucky || Democratic || 1818–1898
|-
| {{sortname|Reuel|Williams}} || 1837–1843 || 1 || Maine || Democratic || 1783–1862
|-
| {{sortname|Thomas Hickman|Williams}} || 1838–1839 || 1 || Mississippi || Democratic || 1801–1851
|-
| {{sortname|Thomas Hill|Williams}} || 1817–1824<br />1824–1829 || 2 || Mississippi || [[Democratic-Republican Party|Democratic-Republican]]<br />Democratic || 1780–1840
|-
| {{sortname|Ben M.|Williamson}} || 1930–1931 || 2 || Kentucky || Democratic || 1864–1941
|-
| {{sortname|Frank B.|Willis}} || 1921–1928 || 3 || Ohio || Republican || 1871–1928
|-
| {{sortname|Raymond E.|Willis}} || 1941–1947 || 1 || Indiana || Republican || 1875–1956
|-
| {{sortname|David|Wilmot|dab=politician}} || 1861–1863 || 1 || Pennsylvania || Republican || 1814–1868
|-
| {{sortname|Ephraim K.|Wilson II||Wilson, Ephraim K. II}} || 1885–1891 || 3 || Maryland || Democratic || 1821–1891
|-
| {{sortname|George A.|Wilson}} || 1943–1949 || 2 || Iowa || Republican || 1884–1953
|-
| {{sortname|Henry|Wilson}} || data-sort-value="1855–1855" | 1855<br />1855–1856<br />1856–1873 || 2 || Massachusetts || [[Free Soil Party|Free Soil]]<br />[[Know Nothing|American]]<br />Republican || 1812–1875
|-
| {{sortname|James F.|Wilson}} || 1883–1895 || 2 || Iowa || Republican || 1828–1895
|-
| {{sortname|James J.|Wilson}} || 1815–1821 || 1 || New Jersey || [[Democratic-Republican Party|Democratic-Republican]] || 1775–1824
|-
| {{sortname|John L.|Wilson}} || 1895–1899 || 1 || Washington || Republican || 1850–1912
|-
| {{sortname|Pete|Wilson}} || 1983–1991 || 1 || California || Republican || 1933–present
|-
| {{sortname|Robert|Wilson|dab=Missouri politician}} || 1862–1863 || 3 || Missouri || [[Unionist politician (American Civil War)|Union]] || 1803–1870
|-
| {{sortname|William|Windom|dab=politician}} || 1870–1871<br />1871–1881<br />1881–1883 || 2 || Minnesota || Republican || 1827–1891
|-
| {{sortname|Paine|Wingate}} || 1789–1793 || 2 || New Hampshire || [[Democratic-Republican Party|Democratic-Republican]] || 1739–1838
|-
| {{sortname|Robert C.|Winthrop}} || 1850–1851 || 1 || Massachusetts || [[Whig Party (United States)|Whig]] || 1809–1894
|-
| {{sortname|Tim|Wirth}} || 1987–1993 || 3 || Colorado || Democratic || 1939–present
|-
| {{sortname|Garrett|Withers}} || 1949–1950 || 3 || Kentucky || Democratic || 1884–1953
|-
| {{sortname|Robert E.|Withers}} || 1875–1881 || 1 || Virginia || Democratic || 1821–1907
|-
| {{sortname|Harris|Wofford}} || 1991–1995 || 1 || Pennsylvania || Democratic || 1926–2019
|-
| {{sortname|Thomas A.|Wofford}} || 1956 || 2 || South Carolina || Democratic || 1908–1978
|-
| {{sortname|Edward O.|Wolcott}} || 1889–1901 || 2 || Colorado || Republican || 1848–1905
|-
| {{sortname|Josiah O.|Wolcott}} || 1917–1921 || 1 || Delaware || Democratic || 1877–1938
|-
| {{sortname|William|Woodbridge}} || 1841–1847 || 2 || Michigan || [[Whig Party (United States)|Whig]] || 1780–1861
|-
| {{sortname|Levi|Woodbury}} || 1825–1831<br />1841–1845 || 3<br />2 || New Hampshire || Democratic || 1789–1851
|-
| {{sortname|John D.|Works}} || 1911–1917 || 1 || California || Republican || 1847–1928
|-
| {{sortname|Thomas|Worthington|dab=governor}} || 1803–1807<br />1810–1814 || 3<br />1 || Ohio || [[Democratic-Republican Party|Democratic-Republican]] || 1773–1827
|-
| {{sortname|George G.|Wright}} || 1871–1877 || 2 || Iowa || Republican || 1820–1896
|-
| {{sortname|Joseph A.|Wright}} || 1862–1863 || 1 || Indiana || Democratic || 1810–1867
|-
| {{sortname|Robert|Wright|dab=Maryland politician}} || 1801–1806 || 3 || Maryland || [[Democratic-Republican Party|Democratic-Republican]] || 1752–1826
|-
| {{sortname|Silas|Wright}} || 1833–1844 || 3 || New York || Democratic || 1795–1847
|-
| {{sortname|William|Wright|dab=New Jersey politician}} || 1853–1859<br />1863–1866 || 2<br />1 || New Jersey || Democratic || 1794–1866
|-
| {{sortname|Louis C.|Wyman}} || 1974–1975 || 3 || New Hampshire || Republican || 1917–2002
|-
| {{sortname|Ralph|Yarborough}} || 1957–1971 || 1 || Texas || Democratic || 1903–1996
|-
| {{sortname|Richard|Yates Sr.||Yates, Richard Sr.}} || 1865–1871 || 2 || Illinois || Republican || 1815–1873
|-
| {{sortname|Lafayette|Young}} || 1910–1911 || 2 || Iowa || Republican || 1848–1926
|-
| {{sortname|Milton|Young}} || 1945–1981 || 3 || North Dakota || Republican || 1897–1983
|-
| {{sortname|Richard M.|Young}} || 1837–1843 || 3 || Illinois || Democratic || 1798–1861
|-
| {{sortname|Stephen M.|Young}} || 1959–1971 || 1 || Ohio || Democratic || 1889–1984
|-
| {{sortname|David Levy|Yulee}} || 1845–1851<br />1855–1861 || 1<br />3 || Florida || Democratic || 1810–1886
|-
| {{sortname|Edward|Zorinsky}} || 1976–1987 || 1 || Nebraska || Democratic || 1928–1987
|}

==See also==
*[[Classes of United States senators]]
*[[List of current United States senators]]
*[[Seniority in the United States Senate]]
*[[Unseated members of the United States Congress]]

==References==
{{Reflist}}

==External links==
*[https://bioguide.congress.gov/ Biographical Directory of the United States Congress]
*[https://www.senate.gov/artandhistory/history/resources/pdf/chronlist.pdf Senators of the United States 1789 to present]

{{United States Congress}}
{{U.S. congressional delegations}}

[[Category:Lists of United States senators|Former]]