List of Famous people born in Ontario, Canada

Tom Busby was a Canadian actor and agent. Among his film credits were The War Lover (1962); The Dirty Dozen (1967) as Milo Vladek, one of the dozen; and Heavenly Pursuits (1986).

Wilfred Van Norman Lucas was a Canadian American stage actor who found success in film as an actor, director, and screenwriter.

Jane Louise Kerr Thompson, née Jane Louise Kerr, is a former competition swimmer from Canada. Kerr was a butterfly and freestyle specialist who was an Olympic bronze medallist.

Howard James "Jay" Triano is a Canadian basketball coach and former professional player, who is currently the lead assistant coach of the Charlotte Hornets of the National Basketball Association (NBA). He previously served as the head coach of the NBA's Toronto Raptors and the interim head coach of the Phoenix Suns. A former Canadian national team player who competed in two Olympics, he has also had two stints as head coach of the national team.

Nicholas Cvjetkovich is a Serbo-Canadian professional wrestler, best known for his stint in World Wrestling Entertainment, where he worked on its SmackDown brand as Kizarny. He currently works the independents as Sinn Bodhi.

Ralph E. Winters was a Canadian-born film editor who became one of the leading figures of this field in the American industry.

Don McKellar is a Canadian actor, writer, and filmmaker. He was part of a loosely-affiliated group of filmmakers to emerge from Toronto known as the Toronto New Wave.

David Henry Auston is a Canadian-American physicist, known for his work on terahertz technology, and in particular, the development of the Auston switch.

Arnold Cantwell Smith was a Canadian diplomat. He was the first Commonwealth Secretary-General, serving from 1965–1975.

John Burley Swainson was a Canadian-American politician and jurist from the U.S. state of Michigan and the 42nd Governor of Michigan.