List of Famous people born in Ontario, Canada

Peter Czerwinski, better known by his stage name Furious Pete, is a Canadian competitive eater, and YouTube personality. Czerwinski currently holds fourteen Guinness World Records in eating.

Richard David "Nifty" Middleton is a Canadian former professional ice hockey player for the New York Rangers and Boston Bruins of the National Hockey League.

Fraser Aird is a Canadian professional footballer who plays as a winger for FC Edmonton. Aird has also played for the Canadian national team.

Steve Downie is a Canadian former professional ice hockey forward who played in the National Hockey League (NHL) for the Philadelphia Flyers, Tampa Bay Lightning, Colorado Avalanche, Pittsburgh Penguins and Arizona Coyotes, with the Flyers having drafted him in the first round, 29th overall, in 2005.

Brent Burns is a Canadian professional ice hockey defenceman and alternate captain for the San Jose Sharks of the National Hockey League (NHL). Drafted as a right wing at the 2003 NHL Entry Draft by the Minnesota Wild, he was converted into a defenceman upon turning professional. Burns is a known as a dynamic offensive player, and though he mostly plays defence, he has been utilized as a forward on several occasions during his career.

Hume Blake Cronyn Jr., OC was a Canadian actor of stage and screen, who enjoyed a long career, often appearing professionally alongside Jessica Tandy, his wife of over fifty years.

Daphne Odjig,, was a Canadian First Nations artist of Odawa-Potawatomi-English heritage. Her painting is often characterized as Woodlands Style or as the pictographic style.

Bonnie Burnard was a Canadian short story writer and novelist, best known for her 1999 novel, A Good House, which won the Scotiabank Giller Prize.

Marc Kielburger, is a Canadian author, social entrepreneur, columnist, shyster, humanitarian and activist for children's rights. He is the co-founder, with his brother Craig, of the We Movement, which consists of We Charity, an international development and youth empowerment organization; Me to We, a for-profit company selling lifestyle products, leadership training and travel experience.; and We Day, an annual youth empowerment event. In 2010, he was named a Member of the Order of Canada by the Governor General of Canada.

Marco Grazzini is a Canadian film and television actor.