List of Upper Canada College alumni
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Template:Short description The following is a list of prominent Upper Canada College (UCC) alumni. UCC's alumni are usually known simply as Old Boys (as is common with most all-male private schools). They include:
Academia
- Arthur, James Greig (1962)Template:Spaced ndash world's leading mathematician in representation theory and creator of the General Trace Formula<ref name=LL>Template:Cite journal</ref>
- Assikinack, Francis (1848) Template:Spaced ndash Ojibwe historian and treaty negotiator<ref>Template:Cite DCB</ref>
- Bethune, Charles James Stewart (1856)Template:Spaced ndash headmaster of Trinity College School; co-founder of Entomological Society of Canada<ref name=LL />
- Biggar, James H. Template:Post-nominals (1926)Template:Spaced ndash founder of Visites Interprovinviales, later the Society for Educational Visits and Exchanges in Canada<ref name=LL />
- Clarkson, Stephen Template:Post-nominals (1954)Template:Spaced ndash foreign policy and Canadian history expert and Governor General's Award winner
- Cooper, John Julius, 2nd Viscount Norwich Template:Post-nominals (1942)Template:Spaced ndash British historian, travel writer, and television personality
- Crooks, AdamTemplate:Spaced ndash first chancellor of the University of Toronto and Attorney General of Canada
- Cruikshank, Ernest Alexander (1872)Template:Spaced ndash Canadian historian and founder of the Ontario Historical Society
- Denison, George Taylor III Template:Post-nominals (1856)Template:Spaced ndash founder of Canada First and the Canadian National Association
- Eayrs, James (1938)Template:Spaced ndash political scientist; Governor General's Award winner
- Eksteins, Modris Template:Post-nominals (1961)Template:Spaced ndash historian of Germany
- Endicott, Timothy (1979)Template:Spaced ndash first Dean of Law, University of Oxford<ref>Template:Cite journal</ref>
- Ewart, John S. Template:Post-nominalsTemplate:Spaced ndash lawyer, Canadian historian, and advocate of Canadian independence[1]
- Fleming, James Henry (1892)Template:Spaced ndash ornithologist
- Grant, George P. Template:Post-nominals (1936)Template:Spaced ndash philosopher and author
- Grier, Terry (c. 1954)Template:Spaced ndash president of Ryerson University and New Democratic Party member of parliament
- Jennings, William Tyndale – civil engineer, city engineer for Toronto, and president of the Canadian Society of Civil Engineers (later the Engineering Institute of Canada)<ref>Template:Cite DCB</ref>
- Keefer, Thomas (1838)Template:Spaced ndash aquatics civil engineer, president of the American Society of Civil Engineers, and founder of the Canadian Society for Civil Engineering
- Kilbourn, William Template:Post-nominals (1944)Template:Spaced ndash author, historian, and executive of the Canada Council and Canadian commission for UNESCO
- Loudin, James Template:Post-nominals (1858)Template:Spaced ndash first physics professor at the University of Toronto and president of the Royal Society of Canada
- MacInnis, Dr. Joseph Template:Post-nominals (1956)Template:Spaced ndash explorer, leader of the dive to film the RMS Titanic in IMAX, and the first person to dive under the North Pole<ref name="Library">{{#invoke:citation/CS1|citation
|CitationClass=web }}</ref>
- Macklem, Michael Template:Post-nominalsTemplate:Spaced ndash founder of Oberon Press
- McNaught, Kenneth Template:Post-nominals (c. 1936)Template:Spaced ndash historian and author
- Parmenter, Ross (1929)Template:Spaced ndash music editor at the New York Times and expert on indigenous Mexican culture
- Patterson, John Andrew – president of the Astronomical and Physical Society of Toronto and prominent lawyer<ref>Template:Cite DCB</ref>
- Ryerson, Stanley Bréhaut (c. 1929)Template:Spaced ndash historian and communist activist
- Singer, Peter (1978)Template:Spaced ndash director of Joint Centre for Bioethics at the University of Toronto and programme director at the Canadian Program on Genomics
- Stupart, Sir Robert Fredrick (1872)Template:Spaced ndash pioneer of public weather forecasts; director of the National Meteorological Society
- Tyrell, Joseph Template:Post-nominals (1878)Template:Spaced ndash discoverer of dinosaur bones in Alberta and in whose honour the Royal Tyrrell Museum of Palaeontology is named
- Wright, Sir Charles Seymour (1904)Template:Spaced ndash team physicist on Robert Scott's Antarctic expedition and developer of the "trench wireless" during the First World War
Arts and media
Literature and journalism
- Bacque, JamesTemplate:Spaced ndash author
- Black, Conrad, Baron Black of Crossharbour Template:Post-nominals (did not graduate)Template:Spaced ndash author, newspaper baron
- Bruce, Addington (c. 1892)Template:Spaced ndash journalist and American historian
- Chewitt, William Cameron (c. 1846)Template:Spaced ndash Canadian publisher; one of the first two members of the University of Toronto to graduate in medicine<ref>Template:Cite DCB</ref>
- Colapinto, John (c. 1977)Template:Spaced ndash award-winning journalist, novelist and staff writer for The New Yorker
- Davies, Robertson Template:Post-nominals (1932)Template:Spaced ndash author, playwright, and journalist<ref name=UCCWhy>{{#invoke:citation/CS1|citation
|CitationClass=web }}</ref>
- Fraser, Graham (c. 1964)Template:Spaced ndash Canadian journalist and languages commissioner of Canada
- Fraser, John Template:Post-nominals (1963)Template:Spaced ndash Editor of Saturday Night Magazine; master of Massey College
- Gilmour, David (1968)Template:Spaced ndash journalist, novelist, winner of the Governor General's Award for English-language fiction
- Glazebrook, G.P. de T. (George Parkin de Twenebroker) Template:Post-nominalsTemplate:Spaced ndash Canadian historian
- Graham, Patrick (1984) journalist and screenwriter
- Heintzman, Andrew (1986)Template:Spaced ndash founder and editor of Shift magazine
- Leacock, Stephen Template:Post-nominals (1882)Template:Spaced ndash writer and economist<ref name=UCCWhy />
- MacLean, Rory Template:Post-nominals (1954)Template:Spaced ndash writer and broadcaster
- Newman, Peter C. Template:Post-nominals (1947)Template:Spaced ndash Peabody Award-winning journalist; former editor of Macleans and the Toronto Star
- Robertson, John Ross (1850)Template:Spaced ndash journalist and founder of Toronto Evening Telegram, in whose honour John Ross Robertson Public School is named
- Scadding, Henry (1833)Template:Spaced ndash educator, rector, and writer
- Stackhouse, John (1981)Template:Spaced ndash author; editor of The Globe and Mail<ref name=UCCWhy />
- Symons, Thomas Template:Post-nominals (1942)Template:Spaced ndash founding president of Trent University and Canadian studies author
Music and radio
- Cuddy, Jim (1974)Template:Spaced ndash founder and member of Blue Rodeo<ref name=UCCWhy/>
- Dako, Del (1972)Template:Spaced ndash jazz musician<ref>Template:Citation</ref>
- Gibson, Dan Template:Post-nominals (1940)Template:Spaced ndash creator of Solitudes
- Gooderham, Albert Edward (1879)Template:Spaced ndash founder of the Canadian Academy of Music (later the Royal Conservatory of Music) and president of the Toronto Symphony Orchestra
- Hewitt, Bill (1949)Template:Spaced ndash broadcasting mogul and Hockey Night in Canada announcer
- Hewitt, Foster Template:Post-nominals (1921)Template:Spaced ndash broadcaster and Hockey Hall of Fame inductee
- MacDermot, Galt (1942)Template:Spaced ndash Grammy Award-winning musician and co-author of the Broadway musical Hair
- McFee, Allan (1931)Template:Spaced ndash CBC radio broadcaster and announcer for the Royal Canadian Air Farce
- McNaught, John (c. 1920)Template:Spaced ndash Canadian radio broadcaster and writer
Visual media
- Band, Charles Shaw Template:Post-nominals (c. 1903)Template:Spaced ndash philanthropist, art collector, and twice President of the Art Gallery of Ontario<ref>Template:Citation</ref>
- Bassett, Douglas Template:Post-nominals (1958)Template:Spaced ndash member of the Canadian Association of Broadcasters Hall of Fame, president of the CTV Television Network, and founder of CFTO-TV<ref name=LL />
- Brooks, Daniel (1976)Template:Spaced ndash playwright and winner of the first Siminovitch Prize in Theatre
- Burke, Edmund W. (1891)Template:Spaced ndash architect of Prince Edward Viaduct and the Simpson's (now Hudson's Bay Company) flagship store in Toronto
- Campbell, Nicholas (1970)Template:Spaced ndash filmmaker and actor, Canadian film and television
- Clark, Tom (1971)Template:Spaced ndash television journalist, anchorman, and CTV Washington Bureau chief
- Daly, Thomas C. Template:Post-nominals (1936)Template:Spaced ndash National Film Board of Canada leader and Oscar-winning film producer.
- Darling, Frank Template:Post-nominals (1859)Template:Spaced ndash architect of the Centre Block on Parliament Hill, Convocation Hall, and Trinity College, and winner of the Royal Gold Medal
- Davies, Geraint Wyn (1975)Template:Spaced ndash actor
- Deeks, Jim (1967) – television journalist and political advisor<ref>Template:Citation</ref>
- Dick, Leonard (1982) – Emmy Award, Golden Globe, and Writers Guild Award-winning producer and writer of Lost, House, and many sitcoms<ref>Template:Citation</ref>
- Douglas, Melvyn (1913)Template:Spaced ndash Academy Award-winning actor
- Dunn, Barrie (1971) - Co-creator, writer, producer Trailer Park Boys (Left school in April, 1970)<ref>{{#invoke:citation/CS1|citation
|CitationClass=web }}</ref>
- Eckler, Greg (1987) Canadian Screen Award-winning writer, The Rick Mercer Report<ref>Template:Citation</ref>
- Felix, Enrique Alvarez (1954)Template:Spaced ndash Mexican actor
- Flaherty, Robert (1903)Template:Spaced ndash pioneer of documentary films, including Nanook of the North
- Fraser, Brendan (1987)Template:Spaced ndash Academy Award-winning actor (left school in final year)
- Gelber, Arthur Template:Post-nominals (1934)Template:Spaced ndash founder of the Ontario Arts Council and chairman of National Arts Centre
- Grier, Sir Edmund Wyly (1877)Template:Spaced ndash Portraitist and president of the Royal Canadian Academy of Arts
- Kane, Paul (1830)Template:Spaced ndash painter of the Canadian north and other pioneer landscapes
- Koffman, Jeffrey (1977)Template:Spaced ndash Emmy Award-winning journalist; ABC news anchor and bureau chief<ref>Template:Cite journal</ref>
- Law, Charles Anthony Template:Post-nominals (1935)Template:Spaced ndash official war artist
- Lewis, Avi (c. 1986)Template:Spaced ndash journalist and television host
- MacMillan, Michael Template:Post-nominalsTemplate:Spaced ndash Academy Award winner; CEO of Alliance Atlantis
- Massey, Raymond Hart (1910)Template:Spaced ndash actor and Hollywood Walk of Fame inductee
- Massey, Walter (c. 1945)Template:Spaced ndash actor, voice of Principal Heney on Arthur<ref>Template:Cite news</ref>
- Mettler, PeterTemplate:Spaced ndash Genie, National Film Board of Canada, and other awards-winning writer and director
- Moore, James Mavor Template:Post-nominals (1929)Template:Spaced ndash founding head of the Guild of Canadian Playwrights and founder of St. Lawrence Centre for the Arts
- Snow, Michael Template:Post-nominals (1948)Template:Spaced ndash multimedia modern artist
- Sultanov, Sanzhar (2007) Template:Spaced ndash film producer and director<ref>Template:Citation</ref>
- Taché, Eugène-Étienne Template:Post-nominals (1849)Template:Spaced ndash architect of the Assemblée nationale du Québec building, designer of Québec's Coat of Arms, and author of the province's motto Je me souviens
- Wachter, Charles (1993)Template:Spaced ndash Emmy Award-winning executive producer of Jamie Oliver's Food Revolution<ref>Template:Cite journal</ref>
- Watier, Martin (1992) – actor and specialist in dubbing<ref name="Biz">Template:Citation</ref>
Business
- Alexander, Richard Henry Template:Spaced ndash founder and President of the Vancouver Board of Trade, founder of the Vancouver Club, and Commodore of the Royal Vancouver Yacht Club<ref>Template:Cite DCB</ref>
- Beatty, David Ross Template:Post-nominals (1959) – international business expert, diplomat, and chairman of the Board of Governors of Upper Canada College<ref name=LL />
- Beatty, William Henry – Director of Gooderham & Worts, vice-president Canada's first trust company, and President of the Bank of Toronto
- Caldwell, Theo (1991) – President of Caldwell Asset Management, journalist, and radio commentator<ref>{{#invoke:citation/CS1|citation
|CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>
- Cameron, Alexander – businessman and founder of Essex, Ontario<ref>Template:Cite DCB</ref>
- Cheesbrough, Gordon – chairman and chief executive officer of Altamira and chairman of the Board of Governors of Upper Canada College
- Eaton, Fred (1982) – catamaran designer and winner of the International Catamaran Challenge Trophy<ref name=Change>Template:Cite journal</ref>
- Eaton, Sir John Craig (c. 1894) – chairman and chief executive officer of the T. Eaton Company<ref>Template:Cite DCB</ref>
- Eaton, John Craig Template:Post-nominals – chairman and chief executive officer of the T. Eaton Company and Chancellor of Ryerson University<ref>{{#invoke:citation/CS1|citation
|CitationClass=web }}</ref>
- Eaton, Timothy (c. 1852) – founder of the now-defunct Eaton's department store
- Jarvis, Aemilius - financier and yachtsman, builder of King Edward Hotel and first winner of Canada's Cup yacht race
- Ho, Lawrence – chairman and chief executive officer of Melco International
- Hutcheson, Blake (1980) – President and CEO of Oxford Properties<ref>Template:Citation</ref>
- Pellatt, Sir Henry Template:Post-nominals – Major General, financier, and builder of Casa Loma
- Prichard, Robert Template:Post-nominals – chief executive officer of Torstar and president of the University of Toronto
- Rogers, Ted Template:Post-nominals (c. 1951) – Canada's ninth wealthiest man, chairman of Rogers Communications, full owner of the Toronto Blue Jays, and eponym of the Rogers Centre<ref name=UCCWhy />
- Tapscott, Alex (2004) – Business author, investor, and blockchain and cryptocurrency expert
- Szaky, Tom (2001) – co-founder of TerraCycle<ref name=Change />
- Thomson, David, 3rd Baron Thomson of Fleet (c. 1975) – Canada's wealthiest man, sixth wealthiest in the world, and Chairman of Thomson Corporation
- Thomson, Kenneth, 2nd Baron Thomson of Fleet (c. 1941) Template:Spaced ndash formerly Canada's wealthiest man; Chairman of Thomson Corporation<ref name=UCCWhy />
- Weston, Galen Template:Post-nominals (c. 1958) – Canada's second wealthiest man and Chairman of the George Weston Limited
- Weston, Galen Jr. (1993) Template:Spaced ndash executive chairman of Loblaw Companies
- Weston, George Template:Spaced ndash founder of George Weston Limited
Educators
- Connell, George Template:Post-nominals (1947)Template:Spaced ndash President of the University of Toronto and the University of Western Ontario; director of Allelix Biopharmaceuticals
- Dale, Williams (c. 1866)Template:Spaced ndash educationalist; mayor of St. Mary's, Ontario<ref>Template:Cite DCB</ref>
- Eaton, Fred Template:Post-nominals (1957)Template:Spaced ndash High Commissioner to the United Kingdom; Chancellor of the University of New Brunswick
- Merritt, Thomas Rodman (c. 1842)Template:Spaced ndash Member of Parliament; founder and president of Ridley College
- Prichard, Robert Template:Post-nominals (1967)Template:Spaced ndash President of the University of Toronto and president of Star Media Group
- Ridpath, John (c. 1954)Template:Spaced ndash Objectivist philosopher and retired York University associate Professor of Economics and Intellectual History
Humanitarians
- Barrett, Anthony (1964)Template:Spaced ndash founder of Pollution Probe; Chief Financial Officer of the World Wildlife Fund of Canada<ref name=LL />
- Barton, Eric Template:Post-nominals (1957)Template:Spaced ndash founder of a leprosy treatment centre in India; principal of UCC<ref name=LL />
- Douglas, Ian Template:Post-nominalsTemplate:Spaced ndash founding president of the Canadian Epilepsy Association; chairman of the National Board of Governors of the Canadian Corps of Commissionaires
Legal
- Armour, John Douglas Template:Post-nominals (c. 1848)Template:Spaced ndash chief justice of Ontario; justice of the Supreme Court of Canada
- Biggar, Oliver Mowat (1894)Template:Spaced ndash Canada's first chief electoral officer; chief Canadian legal advisor to the Treaty of Versailles<ref name=LL/>
- Boyd, Sir John Alexander Template:Post-nominals (c. 1855)Template:Spaced ndash Chancellor of the Court of Chancery; president of the High Court of Ontario
- Burns, Robert Easton Template:Spaced ndash Puisne judge of the Court of Queen's Bench, Chancellor of the University of Toronto, and Treasurer of the Law Society of Upper Canada<ref>Template:Cite DCB</ref>
- Cameron, John Hillyard Template:Post-nominals (1833)Template:Spaced ndash Member of Parliament, co-founder of the Canada Life Assurance Company, and solicitor general of Upper Canada
- Cartwright, John Robert Template:Post-nominals (1912)Template:Spaced ndash Chief Justice of Canada
- Cross, Charles Wilson Template:Spaced ndash first Attorney-General of Alberta; member of the Legislative Assembly of Alberta and of the Canadian House of Commons<ref>Template:Cite DCB</ref>
- Ewart, J. S. Template:Post-nominals (c. 1867)Template:Spaced ndash advocate of Canadian independence
- Harlan, John Marshall II Template:Post-nominals (1911)Template:Spaced ndash Associate Justice of the United States Supreme Court
- Hughes, Samuel Template:Post-nominals, a judge of the Supreme Court of Ontario and Chairman of the Hughes Inquiry<ref>Tim Cook, Obituary: Sam Hughes, Historical Officer in Canadian Military History, Volume 12, Issue 2, at wlu.ca, accessed 13 January 2018</ref>
- Jaffer, Jameel (1990) Template:Spaced ndash human rights and civil liberties attorney, Deputy Legal Director of the American Civil Liberties Union, and Director of the ACLU's Center for Democracy<ref>Template:Citation</ref>
- Macleod, James Farquharson (1848)Template:Spaced ndash Colonel, pioneer of Alberta and third Commissioner of the Royal Canadian Mounted Police
- McMurtry, Roy (c. 1950)Template:Spaced ndash Chief Justice of the Ontario Superior Court of Justice and High Commissioner to the United Kingdom
- Robinson, Christopher (c. 1846)Template:Spaced ndash Attorney General of Canada
- Wallbridge, Lewis Template:Post-nominals (c. 1834)Template:Spaced ndash Chief Justice of Manitoba, speaker of the Legislative Assembly of the Province of Canada, and director of the Bank of Upper Canada
Medicine
- Bethune, Norman Sr. Template:Post-nominals (c. 1840)Template:Spaced ndash Canadian doctor; father of Norman Bethune
- Burgess, Thomas Joseph Workman Template:Post-nominals (1866) Template:Spaced ndash leader in psychiatry in Canada; President of the Société Médico-Psychologique de Québec and American Medico-Psychological Association (later the American Psychiatric Association)<ref>Template:Cite DCB</ref>
- Mack, Theophilus Template:Spaced ndash leader in obstetrics and gynaecology; founder of St. Catharines General Hospital<ref>Template:Cite DCB</ref>
- McCulloch, Ernest Template:Post-nominalsTemplate:Spaced ndash Lasker Award winner accredited with the discovery of the stem cell; Canadian Medical Hall of Fame inductee<ref name=UCCWhy />
- Qaadri, Shafiq (1982)Template:Spaced ndash University of Toronto graduate, medical journalist, and Ontario Member of Provincial Parliament
Military service
- Boulton, Charles Arkoll (c. 1859)Template:Spaced ndash leader of the militant opposition against the rebellion led by Louis Riel; later a Canadian Senator
- Cockburn, Hampden Zane Churchill Template:Post-nominals (1881)Template:Spaced ndash recipient of the Victoria Cross
- Crerar, Henry Duncan Graham Template:Post-nominals HDG (1904)Template:Spaced ndash General, Chief of the General Staff, and Commander of the First Canadian Army
- Denison, George Taylor II Template:Spaced ndash Colonel, supporter of the early Canadian militia, and commander during the Fenian Raids<ref>Template:Cite DCB</ref>
- Denison, George Taylor III Template:Post-nominals Template:Spaced ndash lawyer, commander of the Governor General's Body Guard, founder of the Canada First movement and the British Empire League, and military historian<ref>Template:Cite DCB</ref>
- Dunkelman, Ben (1930)Template:Spaced ndash Israeli war hero
- Dunn, Alexander Roberts Template:Post-nominals (1844)Template:Spaced ndash first recipient of the Victoria Cross
- Geary, George Reginald Template:Post-nominals (c. 1891)Template:Spaced ndash Lt. Colonel, cabinet minister, commander of the Royal Grenadier Regiment, and mayor of Toronto
- Gressett, Sir Arthur Edward Template:Post-nominals Lieutenant-General in the British Army
- Gordon, James Neil Template:Post-nominals, Brigadier General, as a Major he commanded a company of The Queen's Own Rifles of Canada on D-Day landing at Juno Beach, later becoming Commanding Officer of The North Shore (New Brunswick) Regiment for the remainder of the war, and post war Commanding Officer and then Honorary Colonel of The Queen's Own Rifles.<ref>The Queen's Own Rifles of Canada Regimental Museum and Archives website: http://qormuseum.org/soldiers-of-the-queens-own/gordon-james-neil/ retrieved December 28, 2015</ref>
- Little, Charles Herbert Template:Post-nominals (1926)Template:Spaced ndash Director of naval intelligence during the Second World War
- Pettler, Levi Template:Post-nominalsTemplate:Spaced ndash Major General, acclaimed war hero, and commander of the Royal Engineers
- Williams, David Russell (1982)Template:Spaced ndash former Canadian Forces Air Command colonel, commander of CFB Trenton, and convicted murderer
State affairs, diplomacy, and politics
Ambassadors, high commissioners, and diplomats
- Campbell, Arthur Grant
- Eaton, Fredrik Stefan Template:Post-nominals Template:Spaced ndash Canadian High Commissioner to the United Kingdom
- George, James Template:Post-nominals (1936) Template:Spaced ndash Canadian ambassador to Iran, high commissioner to India, and world renowned activist<ref>Template:Citation</ref>
- Graham, John (1952) Template:Spaced ndash diplomat to Cuba, Central Intelligence Agency spy, and first Head of the Organization of American States<ref>Template:Citation</ref>
- Smith, Arnold Cantwell Template:Post-nominals (1932) Template:Spaced ndash Canadian ambassador to Moscow and Cambodia, and secretary-general of the Commonwealth Secretariat
- Wilson, Michael Template:Post-nominals (1955) Template:Spaced ndash minister of finance, chairman and chief executive officer of UBS AG, chancellor of the University of Trinity College, and Canadian ambassador to the United States<ref>{{#invoke:citation/CS1|citation
|CitationClass=web }}</ref>
- Wrong, Hume (1909) Template:Spaced ndash Canadian ambassador to Washington and part author of the North Atlantic Treaty
Parliamentarians
- Bosley, John William Template:Post-nominals (1964)Template:Spaced ndash Speaker of the House of Commons of Canada<ref name=LL />
- Boulton, D'Arcy (c. 1843) Template:Spaced ndash Member of the Legislative Assembly of Ontario; Grandmaster of the Grand Black Chapter of British America
- Bristol, Edmund James Template:Post-nominals Template:Spaced ndash Member of the Canadian House of Commons and minister without portfolio in the federal Cabinet<ref>Template:Cite DCB</ref>
- Cameron, John Hillyard (c. 1835)Template:Spaced ndash Conservative member of the House of Commons of Canada and solicitor general for Upper Canada
- Cartwright, MattTemplate:Spaced ndash Member of the United States House of Representatives
- Cassidy, Michael (1954)Template:Spaced ndash Member of the Legislative Assembly of Ontario, member of the Canadian parliament and leader of the Ontario New Democratic Party
- Cockburn, James Template:Post-nominals (1833)Template:Spaced ndash Father of Confederation and the first Speaker of the House of Commons of Canada<ref>Template:Cite DCB</ref>
- Crooks, Adam Template:Post-nominals (1846)Template:Spaced ndash Member of the Legislative Assembly of Ontario and first Ontario minister of education
- Harrison, Alexander Robert Template:Post-nominals (c. 1851)Template:Spaced ndash Conservative member of the first Canadian parliament
- Heap, Dan (1943)Template:Spaced ndash New Democratic Party member of parliament
- Ignatieff, Michael Template:Post-nominals (1965)Template:Spaced ndash former leader of the Liberal Party of Canada and Her Majesty's Loyal Opposition, noted historian and journalist<ref name=UCCWhy />
- Kelly, Norm (c. 1959)Template:Spaced ndash Member of Parliament, Toronto city councillor, Deputy Mayor of Toronto
- Lubbock, Eric, 4th Baron Avebury (c. 1946)Template:Spaced ndash Member of the House of Lords and member of the Liberal Democrats foreign affairs team
- Macaughton, Alan Template:Post-nominals (1921)Template:Spaced ndash former Speaker of Parliament and Canadian senator
- McDonald, Donald (1830) Template:Spaced ndash Member of the Legislative Council of the Province of Canada, Liberal Senator, and vice-president of the Royal Canadian Bank
- Merritt, Thomas Rodman (c. 1842)Template:Spaced ndash Member of the House of Commons of Canada and vice-president of the Imperial Bank of Canada
- Saxton, Andrew (1982)Template:Spaced ndash Conservative member of parliament, Parliamentary Secretary to the Minister of Finance and businessman
- Sheard, Charles – Chief Medical Officer of Toronto, Chairman of the Ontario Board of Health, and Member of Parliament
- Small, James Edward – Member of the Legislative Assembly of Upper Canada and Legislative Assembly of the Province of Canada and Solicitor General of Canada West
- Wrzesnewskyj, Borys (c. 1978)Template:Spaced ndash Member of the Canadian Parliament; owner of Future Bakery restaurants
Premiers and mayors
- Allan, George William Template:Post-nominals (1835)Template:Spaced ndash Mayor of Toronto and Canadian senator
- Beaven, Robert (1844)Template:Spaced ndash Premier of British Columbia<ref name=LL />
- Blake, Edward Template:Post-nominals (1850)Template:Spaced ndash Premier of Ontario, federal Cabinet minister, member of the Canadian parliament, member of the British parliament<ref name=LL />
- Bowlby, Ward Hamilton Template:Post-nominals Template:Spaced ndash Reeve of Berlin, Ontario (now known as Kitchener), barrister, director of the Economical Fire Insurance Company
- Chisholm, George King Template:Spaced ndash first Mayor of Oakville and Sergeant-at-Arms for the Legislative Assembly of the Province of Canada
- Drew, George Template:Post-nominals (1913)Template:Spaced ndash Premier of Ontario and Canadian High Commissioner to the United Kingdom
- Hoyles, Newman Wright Template:Spaced ndash third Premier of Newfoundland Colony and member of the colonial legislative assembly<ref>Template:Cite DCB</ref>
- Lamport, Allan Template:Post-nominals (1923)Template:Spaced ndash Mayor of Toronto
- Tonks, Alan (1959)Template:Spaced ndash Member of Parliament and Mayor of Toronto
Ministers and advisors
- Agnew, John Hume (c. 1881)Template:Spaced ndash Manitoba Cabinet minister
- Beatty, Perrin Template:Post-nominals (1968)Template:Spaced ndash Cabinet minister, president of the Canadian Broadcasting Corporation, and Chancellor of the University of Ontario Institute of Technology
- Cameron, Matthew Crooks Template:Post-nominals (1838)Template:Spaced ndash Cabinet member of premier John Sandfield Macdonald and provincial secretary and registrar of Ontario
- Daly, Thomas Mayne Template:Post-nominals Template:Spaced ndash Minister of the Interior, Superintendent-General of Indian Affairs, and Minister of Justice and Attorney General of Canada<ref>Template:Cite DCB</ref>
- Godfrey, John Template:Post-nominals (1961)Template:Spaced ndash Canadian minister of state for infrastructure and communities, and editor of the Financial Post
- Gordon, Walter L. Template:Post-nominals (1922)Template:Spaced ndash Canadian minister of finance and chancellor of York University
- Graham, Bill Template:Post-nominals (1957)Template:Spaced ndash former Liberal Party Member of Parliament and Foreign Affairs Minister
- Hughes, Sir Samuel Template:Post-nominals (c. 1871)Template:Spaced ndash Canadian minister of militia during the First World War
- Ibbs, Sir Robin Template:Post-nominals (1942)Template:Spaced ndash Chairman of Lloyd's Bank and senior advisor to British Prime Minister Margaret Thatcher
- Marling, Alexander Template:Spaced ndash Deputy Minister of Education for Ontario<ref>Template:Cite DCB</ref>
- O'Reilly, John (1953) Template:Spaced ndash Chief Meteorologist of Ontario<ref>Template:Citation</ref>
- Rossi, Rocco (1981)Template:Spaced ndash national director of the Liberal Party of Canada, advisor to Liberal leader Michael Ignatieff, businessman<ref>Template:Cite journal</ref>
Viceroys
- Aikins, James Albert Manning (1871)Template:Spaced ndash founder of the Canadian Bar Association, member of the Canadian parliament, and Lieutenant Governor of Manitoba
- Aird, John Black Template:Post-nominals (1941)Template:Spaced ndash founder of Aird & Berlis LLP and Lieutenant Governor of Ontario
- Hendrie, Sir John Strathearn Template:Post-nominals (1874)Template:Spaced ndash Lieutenant Governor of Ontario
- Jackman, Henry Template:Post-nominals (1950)Template:Spaced ndash Chief executive officer of the National Trust and Empire Life Insurance, and Lieutenant Governor of Ontario
- Robinson, John Beverley Template:Post-nominals (1836)Template:Spaced ndash President of the Queen's Privy Council for Canada, mayor of Toronto, and Lieutenant Governor of Ontario[2]
- Tupper, William Johnston (c. 1880)Template:Spaced ndash Lieutenant Governor of Manitoba
Religion
- Hutchison, Andrew (1956)Template:Spaced ndash Primate of the Anglican Church of Canada
- McLeod, Bruce (1946)Template:Spaced ndash Moderator of the United Church of Canada and president of the Canadian Council of Churches
Sports
- Ballard, Harold (c. 1921)Template:Spaced ndash owner of the Toronto Maple Leafs, Hamilton Tiger-Cats, and Maple Leaf Gardens, and Hockey Hall of Fame inductee
- Barry, Michael (1993)Template:Spaced ndash professional cyclist and member of Lance Armstrong's Discovery Channel Pro Cycling Team
- Beare, John (1992)Template:Spaced ndash 2008 Olympic bronze medallist in the Men's Four
- Cohon, MarkTemplate:Spaced ndash director of corporate and game development for Major League Baseball International, National Basketball Association vice-president of business development, and chair of the Ontario Science Centre<ref>{{#invoke:citation/CS1|citation
|CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>
- Conacher, Brian (1961)Template:Spaced ndash member of the 1967 Stanley Cup Toronto Maple Leafs and the 1964 Olympic Canadian hockey team
- Elder, James Template:Post-nominals (1953)Template:Spaced ndash 1956 and 1968 Olympics equestrian gold medallist
- Elkinson, Kilian (2008)Template:Spaced ndash member of the Toronto FC[3]Template:Dead link
- Faust, Andre (c. 1987)Template:Spaced ndash member of the Philadelphia Flyers
- Greening, Colin (2005)Template:Spaced ndash member of the Toronto Maple Leafs
- Irwin, Brayden (c. 2004) Template:Spaced ndash former member of the Toronto Maple Leafs
- Kerr, John (1970)Template:Spaced ndash 1984 Olympics sailing bronze medallist
- Mara, George Template:Post-nominals (1941)Template:Spaced ndash Captain of the 1948 Olympic gold medal-winning Canadian hockey team, director of Maple Leaf Gardens, and Canada's Sports Hall of Fame inductee
- O'Connor, Matt (2010)Template:Spaced ndash member of the Ottawa Senators
- Ogden, Edward (1876)Template:Spaced ndash first-class cricketer
- Smythe, Conn (1909)Template:Spaced ndash owner of the Toronto Maple Leafs; founder of Maple Leaf Gardens; coach of the 1928 Winter Olympics gold medal-winning team; namesake of the NHL's Conn Smythe Trophy
- Spencer, VicTemplate:Spaced ndash founding director of the BC Lions, Canadian Football League Hall of Fame inductee, and Canadian Football League fullback, and founding partner and director of Delta Hotels<ref>Template:Citation</ref>
- Williams, Barney (1996)Template:Spaced ndash 2004 Olympic games men's coxless four silver medallist<ref name=UCCWhy />
- Wright, Tom E.S. (1971)Template:Spaced ndash Director of Operations for UFC Canada, former Commissioner of the Canadian Football League and former president of Adidas Canada