List of Famous people born in Ontario, Canada

Michael Hogan is a Canadian actor best known for playing Colonel Saul Tigh in the 2004 Battlestar Galactica series. Other notable roles include Billy in The Peanut Butter Solution and villainous werewolf hunter Gerard Argent in Teen Wolf. He also lent his voice to Armando-Owen Bailey in the Mass Effect series and General Tullius in The Elder Scrolls V: Skyrim game.

Scott Duncan Tremaine is a Canadian-born astrophysicist. He is a fellow of the Royal Society of London, the Royal Society of Canada and the National Academy of Sciences. Tremaine is widely regarded as one of the world's leading astrophysicists for his contributions to the theory of solar system and galactic dynamics. Tremaine is the namesake of asteroid 3806 Tremaine. He is credited with coining the name "Kuiper belt".

Leo Rytis Rautins is a Canadian broadcaster, former professional basketball player and the former head coach of the Canadian men's national basketball team. Rautins played in the National Basketball Association (NBA) drafted in the first round of the 1983 NBA draft, by the Philadelphia 76ers. Rautins' NBA career was waylaid by injury. After a brief retirement, Rautins returned to basketball and played in European professional leagues from 1985 until 1992. He has been a broadcaster for the Toronto Raptors since the team's inception in 1995.

André Prévost, was a Canadian composer and music educator. He was awarded the Canadian Music Council Medal in 1977 and in 1985 he was made an Officer of the Order of Canada. He also received the "Trophy for Concert Music" from the Performing Rights Organization of Canada.

Anne Heggtveit, is a former alpine ski racer from Canada. She was an Olympic gold medallist and double world champion in 1960.

Dani Kind is a Canadian actress. She is most noted for her role as Anne Carlson in the television series Workin' Moms, for which she received a Canadian Screen Award nomination for Best Actress in a Comedy Series at the 7th Canadian Screen Awards in 2019.

Denise Robert,, is a Canadian film producer, co-founder and President of Cinémaginaire with Daniel Louis. She is currently married to Denys Arcand and she has produced many of his films.

Joyce Wieland was a Canadian experimental filmmaker and mixed media artist. Wieland found success as a painter when she began her career in Toronto in the 1950s. In 1962, Wieland moved to New York City and expanded her career as an artist by including new materials and mixed media work. During that time, she also rose to prominence as an experimental filmmaker and soon, renowned institutions such as the Museum of Modern Art in New York were showing her films. In 1971, Wieland's True Patriot Love exhibition was the first solo exhibition by a living Canadian female artist at the National Gallery of Canada. In 1982, Wieland received the honour of the Order of Canada and in 1987, she was awarded the Toronto Arts Foundation's Visual Arts Award. She was also a member of the Royal Canadian Academy of Arts.

Jennifer Ciurluini, known professionally as Jennifer Dale, is a Canadian television actress and former dancer.

Roman Sadovsky is a Canadian figure skater. He is the 2020 Canadian national champion, the 2019 NHK Trophy bronze medalist, and a three-time ISU Challenger Series medalist. He also won five medals on the ISU Junior Grand Prix series, including two gold medals.