List of Famous people born in Ontario, Canada

Wallace William "Wally" Diestelmeyer was a Canadian figure skater. He competed in pair skating with Suzanne Morrow. The couple won the bronze medal at the 1948 Winter Olympics and the 1948 World Figure Skating Championships. They are credited as being the first pair to perform the death spiral one-handed, with the man holding the woman in position with one hand, at the 1948 Olympic Games.

Helen Nichol is a female badminton player from Canada, who won the gold medal in the women's doubles competition at the 2003 Pan American Games, partnering Charmaine Reid.

Brian Wilson Kernighan is a Canadian computer scientist.

Alexander Biagio Conti is a Canadian actor. He made his acting debut in the film Finding Forrester (2000). Since then, he has been nominated for five Young Artist Awards.

Robert Bell was a Canadian geologist, professor and civil servant. He is considered one of Canada’s greatest exploring scientists, having named over 3,000 geographical features.

Valerie Loker is a Canadian badminton player. She won a silver medal, along with her partner Mike Beres in the mixed doubles at the 2007 Pan American Games in Rio de Janeiro, Brazil, against the winning U.S. pair Howard Bach and Eva Lee, with a score of 18–21 and 17–21. Loker is also a member of Club Excellence Yonex Laval in Montreal, Quebec, and is coached and trained by Jean-Paul Girard.

Brian Clifford Walton is a Canadian cycling coach and former professional road and track cyclist. His racing career spanned 18 years, racing professionally for North American pro teams 7-Eleven, Motorola, and Saturn. He represented Canada at the Pan American Games, Commonwealth Games, and the Olympic Games in 1988, 1996 and 2000. He won a silver medal in the points race at the 1996 Summer Olympics in Atlanta, Georgia. Walton was inducted into the BC Sports Hall of Fame in 2006.

Steve Jocz is a Canadian-born musician, singer and songwriter, best known as the former drummer for the Canadian rock band Sum 41.

Reginald Aldworth Daly was a Canadian geologist.

Sir Oliver Mowat, was a Canadian lawyer, politician, and Liberal Party leader. He served for nearly 24 years as the third Premier of Ontario. He was the eighth Lieutenant Governor of Ontario and one of the Fathers of Confederation. He is best known for defending successfully the constitutional rights of the provinces in the face of the centralizing tendency of the national government as represented by his longtime conservative adversary, John A. Macdonald. This longevity and power was due to his political maneuvering, in terms of building a political base around Liberals, Catholics, trade unions, and anti-French-Canadian sentiment.