List of Famous people born in Ontario, Canada

Jason Thomas Kenney PC MLA is a Canadian politician, currently serving as the 18th Premier of Alberta, serving since 2019, and leader of the United Conservative Party in Alberta since 2017. He was the last leader of the Progressive Conservative Association of Alberta, before the party's merger with the Wildrose Party and subsequent dissolution later that year. He was elected the Member of the Legislative Assembly of Alberta for Calgary-Lougheed in a by-election held on December 14, 2017.

David Ayres is a Canadian professional ice hockey goaltender and the operations manager at the Mattamy Athletic Centre in Toronto, Ontario.

Derek Drouin is a Canadian track and field athlete who competes in the high jump. He is the reigning Olympic Champion, having won gold in 2016, and was the 2015 World Champion. He also won gold at the 2014 Commonwealth Games and the 2015 Pan American Games, and won a bronze medal at the 2012 Summer Olympics and the 2013 World Championships.

Elias Michael Theodorou is a Canadian mixed martial artist of Greek descent. He competed for the UFC in the Middleweight division where he was ranked 13th until his release, and won The Ultimate Fighter Nations: Canada vs. Australia.

Gordon Meredith Lightfoot Jr. is a Canadian singer-songwriter and guitarist who achieved international success in folk, folk-rock, and country music. He is credited with helping to define the folk-pop sound of the 1960s and 1970s. He is often referred to as Canada's greatest songwriter and is known internationally as a folk-rock legend.

Cameron Arthur Mathison is a Canadian-American actor and television host. From 1997 to 2011, he played the role of Ryan Lavery on All My Children.

Richard William Duncan Pound, is a Canadian swimming champion, lawyer and prominent spokesman for ethics in sport. He was the first president of the World Anti-Doping Agency and vice-president of the International Olympic Committee.

William Francis Morneau Jr. is a Canadian businessman and former Liberal Party politician who served as minister of finance and member of Parliament (MP) for Toronto Centre from 2015 to 2020.

Brennan Clost is a Canadian actor and dancer, known for portraying the role of Daniel on the Family series The Next Step. In 2020, he starred in the Netflix dance drama series Tiny Pretty Things.

Dillon Brooks is a Canadian professional basketball player for the Memphis Grizzlies of the National Basketball Association (NBA). He played college basketball for the Oregon Ducks, where he was named a consensus second-team All-American and earned conference player of the year honours in the Pac-12 in 2017. He is a member of the Canada national team.