List of ships of the line of the United States Navy

USS Pennsylvania

This is a list of ships of the line of the United States Navy. Because of the operating expense, a number of these were never launched. These ships were maintained on the stocks, sometimes for decades, in case of an urgent need.<ref Name="DANFS">Template:Cite DANFS</ref><ref name=Gordon>Template:Cite journal</ref><ref name=Congress>Template:Cite book</ref>

Continental Navy

• Template:USS (given to France upon launching, 1782)<ref Name="DANFS"/><ref Name="RSUSN">Template:Cite book</ref>
• Unnamed class
  • Unnamed, Boston (canceled, 1778)<ref Name="RSUSN"/>
  • Unnamed, Philadelphia (abandoned with the capture of Philadelphia, 1777)<ref Name="DANFS"/><ref Name="RSUSN"/>
  • Unnamed, Poughkeepsie, New York (canceled, unknown date)<ref Name="RSUSN"/>

United States Navy

• Columbus class
  • Columbus (canceled, 1800)<ref Name="RSUSN"/>
  • Unnamed, Boston Navy Yard (canceled, 1800)<ref Name="RSUSN"/>
  • Unnamed, New York Navy Yard (canceled, 1800)<ref Name="RSUSN"/>
  • Franklin (canceled, 1800)<ref Name="RSUSN"/>
  • Unnamed, Washington Navy Yard (canceled, 1800)<ref Name="RSUSN"/>
  • Unnamed, Norfolk Navy Yard (canceled, 1800)<ref Name="RSUSN"/>
• Template:Sclass<ref Name="DANFS"/>
  • Template:USS (1814–1912, razeed 1836)<ref Name="DANFS"/>
  • Template:USS (1814–1843)<ref Name="DANFS"/>
  • Template:USS (1815–1852)<ref Name="DANFS"/>
  • Template:USS (1819–1861)<ref Name="DANFS"/><ref name=NYTimes>Template:Cite news</ref>
• Template:Sclass
  • Template:USS (laid down 1815, never completed)<ref Name="DANFS"/>
  • Template:USS (laid down 1815, never completed)<ref Name="DANFS"/>
  • Template:USS (1837–1861)<ref Name="DANFS"/><ref name=Gordon/><ref name=NYTimes/>
• Template:Sclass
  • Template:USS (1820–1861)<ref Name="DANFS"/><ref name=Gordon/><ref name=NYTimes/>
  • Template:USS (1848–1901)<ref Name="DANFS"/><ref name=Gordon/>
  • Template:USS (launched as depot ship, 1864; training ship, 1892–1921)<ref Name="DANFS"/><ref name=Gordon/>
  • Template:USS (laid down 1822, never launched)<ref Name="DANFS"/><ref name=Gordon/>
  • Template:USS (laid down 1820; never launched; burnt on ways, 1861)<ref Name="DANFS"/><ref name=Gordon/><ref name=NYTimes/>
  • Template:USS (1820–1883)<ref Name="DANFS"/><ref name=Gordon/>
  • Template:USS (1820–1866)<ref Name="DANFS"/><ref name=Gordon/>
• Unnamed class
  • Not built, Boston Navy Yard (frames on hand, 1832; not built)<ref Name="RSUSN"/><ref Name="NYJC">Template:Cite journal</ref>
  • Not built, Boston Navy Yard (frames on hand, 1832; not built)<ref Name="RSUSN"/><ref Name="NYJC"/>
  • Not built, Norfolk Navy Yard (frames on hand, 1832; not built)<ref Name="RSUSN"/><ref Name="NYJC"/>
  • Not built, Norfolk Navy Yard (frames on hand, 1832; not built)<ref Name="RSUSN"/><ref Name="NYJC"/>