No point in even trying to make a list... it'd be like listing famous people from Oxford, Yale, Harvard, Cambridge, etc.
But here's a short list of University of Toronto alumni that you may have heard of:
Leaders & Revolutionaries:
*Adrianne Clarkson - Governor General of Canada (Queen's representative)
*William Lyon Mackenzie King - Prime Minister of Canada during WW2 (also a KA)
*Paul Martin - Current Prime Minister (also a Psi Upsilon)
*Noor Hassanali - President of Trinidad & Tobago 1985-1997
*Norman Bethune - regarded as a martyr in China, has museum, statue, pavillon and hospital dedicated to him there
* Augusta Stowe Gullen - first woman to recieve a medical degree in Canada (1883).
Artists & Entertainers:
* Robert Bateman - Wildlife Artist
* David Cronenberg - Film Director
* Atom Egoyan - Film Director
* Robert Goulet - Singer (yes it's our fault)
* Stephen Leacock - Humorist and Educator
* Lorne Michaels - SNL dude
* Farley Mowat - Author
* Paul Shaffer - Musician
* Donald Sutherland - Actor
Scientists & Thinkers:
* Dr. Philip Currie - Leading Palaeontologist
* Northrop Frye - Writer & Educator (understatement)
* John Kenneth Galbraith - Economist
* Michael Ignatieff - Human Rights expert (currently director of Carr Center at Harvard)
* Sir John Cunningham McLennan - Physicist
* Sir William Osler - Physician (father of psychosomatic medicine)
* Charles Herbert Best - Co-discoverer of Insulin
Nobel Winners:
* Frederick Banting - Co-discoverer of Insulin (along with Best)
* Bertram Brockhouse - Physicist (deals with nuclear activity of neutrons)
* Lester B. Pearson - Politician; created the idea of UN Peackeepers (1956), Prime Minister of Canada 1963-1968.
Canadian Heroes & Icons:
* Margaret Atwood - Writer
* Roberta Bondar - Astronaut
* Peter Gzowski - Journalist/Broadcaster
* John McCrae - Doctor and writer of "In Flanders Fields" a poem read around the world every Nov.11th (also a Zeta Psi).
* Major Fred Tilston - War Hero, winner of VC.
List that the UofT Alumni Assoc. have currently posted:
http://www.alumni.utoronto.ca/greatalumni.htm