List of Famous people born in Ontario, Canada

Richard Carlyle was a film, television and Broadway actor.

Duncan James Watts is a sociologist and a Professor at the University of Pennsylvania. He was formerly a principal researcher at Microsoft Research, New York City known for his work on small-world networks.

Alfred Joseph Casson LL.D. (1898–1992) was a member of the Canadian group of artists known as the Group of Seven. He joined the group in 1926 at the invitation of Franklin Carmichael, replacing Frank Johnston. Casson is best known for his depictions in his signature limited palette of southern Ontario, and for being the youngest member of the Group of Seven.

Harland Reesor Williams is a Canadian-American voice, film and television actor.

Eugène Philippe LaRocque was a Canadian Catholic priest, and Bishop of Alexandria-Cornwall from 1974 to 2002.

Claude Giroux is a Canadian professional ice hockey forward and captain of the Philadelphia Flyers of the National Hockey League (NHL). The Flyers selected Giroux 22nd overall in the 2006 NHL Entry Draft. He has been the Flyers' team captain since January 13, 2013.

(Robert) Anthony Daniels is a Canadian prelate of the Roman Catholic Church.He is the 9th Bishop of the Roman Catholic Diocese of Grand Falls, Newfoundland, Canada, succeeding Archbishop Martin Currie, 67, who had been the Bishop of the diocese in addition to being Archbishop of his own archdiocese, the Metropolitan Archdiocese of St. John's, Newfoundland.

Rob Coleman is a Canadian animation director who works with award-winning Australian visual effects and animation studio, Animal Logic. He joined Animal Logic in 2012 as the studio's Head of Animation. Coleman is a two-time Oscar nominee for his animation work on Star Wars: Episode I – The Phantom Menace and Star Wars: Episode II – Attack of the Clones and has been nominated for two BAFTA Awards for his work on Men in Black and Star Wars: The Phantom Menace.

David Richard Campbell is a Canadian-American arranger, composer, and conductor. He has worked on over 450 gold and platinum albums by artists of a wide range of genres, including Rush, Ariana Grande, Harry Styles, Muse, Michael Jackson, Aaliyah, Evanescence, Beyoncé, Aerosmith, Garth Brooks, and various albums by his son Beck.

Paul Maurice is a Canadian former ice hockey player and was most recently head coach of the Winnipeg Jets of the National Hockey League (NHL). At age 43, Maurice became the youngest coach in NHL history to coach 1,000 games, reaching the milestone on November 28, 2010.