List of Famous people born in Ontario, Canada

Patrick Kerwin, was the tenth Chief Justice of Canada.

Catherine Winder is a Canadian digital media producer and executive.

Ernest John Collett was a Canadian ice hockey player who competed in the 1924 Winter Olympics.

James Garfield "Jimmy" Gardiner, was a Canadian farmer, educator, and politician. He served as the fourth Premier of Saskatchewan, and as a minister in the Canadian Cabinet.

William Melville Martin served as the second Premier of the Canadian province of Saskatchewan from 1916 to 1922. In 1916, although not a member of the Legislative Assembly of Saskatchewan, Martin was elected leader of the Saskatchewan Liberal Party, succeeding Premier Walter Scott and thus became Premier of Saskatchewan.

Shelton Brooks was a Canadian-born African American composer of popular music and jazz. He wrote some of the biggest hits of the first third of the 20th century.

William Aberhart, also known as "Bible Bill" for his radio sermons about the Bible, was a Canadian politician and the seventh premier of Alberta from 1935 to his death in 1943. He was the founder and first leader of the Alberta Social Credit Party, which believed the Great Depression was caused by ordinary people not having enough to spend. Therefore, Aberhart argued that the government should give each Albertan $25 per month to spend to stimulate the economy, by providing needed purchasing power to allow needy customers to buy from waiting businesses.

Charles Augustus "Charlie" Semlin was a Canadian politician and rancher.