List of Famous people born in Ontario, Canada

Andrew Byron Bachelor, better known as King Bach, is an American Internet personality, actor, and content creator who was the most followed user on the now-defunct video sharing service Vine with 11.3 million followers.. He also has a Tiktok account with 20.8 million followers.

Cynthia Preston, sometimes credited as Cyndy Preston, is a Canadian film, television and voice actress.

Christian Bethune Campbell is a Canadian-American stage and screen actor, writer, and photographer. He is best known for his roles as Gabriel in the movie Trick, Greg Ivey in Big Love and on stage as Jimmy Harper in the musical Reefer Madness. He is married to actress America Olivo.

Ralph Gerald Backstrom was a Canadian professional ice hockey centre and later a coach, entrepreneur and hockey executive. He played in the National Hockey League with the Montreal Canadiens, Los Angeles Kings, and Chicago Black Hawks between 1956 and 1973. He also played in the World Hockey Association with the Chicago Cougars, Denver Spurs/Ottawa Civics, and New England Whalers from 1973 to 1977. With the Canadiens, he won the Stanley Cup six times, and won the Calder Memorial Trophy as the NHL's rookie of the year in 1959. After retiring he served as head coach of the University of Denver Pioneers for several years in the 1980s.

Eliana Jones is a Canadian actress. She first came to attention as the younger version of the Alexandra Udinov character on Nikita (2010–2012) and in the recurring role of Alexa Sworn, one of the twin daughters of the sheriff in the television series Hemlock Grove (2013).

Inanna Sarkis is a Canadian social media personality and actress.

John William Michael Bliss was a Canadian historian and award-winning author. Though his early works focused on business and political history, he subsequently authored several important medical biographies, including of Sir William Osler. Bliss was also a frequent commentator on political events and issues. He was an Officer of the Order of Canada.

John Cassini is a Canadian actor.

Patricia Colleen Nelligan, known professionally as Kate Nelligan, is a Canadian stage, film and television actress. She was nominated for the Academy Award for Best Supporting Actress for the 1991 film The Prince of Tides, and the same year won the BAFTA Award for Best Actress in a Supporting Role for Frankie and Johnny. She is also a four-time Tony Award nominee for her work on Broadway, receiving nominations for Plenty (1983), A Moon for the Misbegotten (1984), Serious Money (1988) and Spoils of War (1989).

Charles Vincent Massey was a Canadian lawyer and diplomat who served as Governor General of Canada, the 18th since Confederation. Massey was the first governor general of Canada who was born in Canada.