List of Famous people born in Ontario, Canada

Robert C. Cooper is a Canadian writer and producer best known for his work in the Stargate franchise. He was formerly an executive producer of Stargate SG-1, Stargate Atlantis and Stargate Universe. He also co-created both Stargate Atlantis and Stargate Universe with Brad Wright. Cooper has written and produced many episodes of Stargate SG-1, Stargate Atlantis and Stargate Universe as well as directed a number of episodes.

Jason Deline is an actor, voice actor, and voice-over coach. director, film producer, writer and comedian.

Christopher Jacot is a Canadian film, television and voice actor.

Daniel Ryan Magder is a Canadian actor. He has appeared in such projects such as The Famous Jett Jackson, and X-Men. His most prolific role is Edwin Venturi on Life with Derek.

Reagan Jae Pasternak is a Canadian actress known for her role as Julianne in the TV series Being Erica.

Hannah Cheesman is a Canadian actress, writer, director, producer, and web series creator. She is known for her 2020 Toronto International Film Festival film Succor, which she wrote and directed, starring Deragh Campbell and Michaela Kurimsky, as well as for writing, producing, and starring in the web series Whatever, Linda (2014).

Wendy Elizabeth Griner, later surname: Ballantyne is a Canadian former figure skater. She is the 1962 World silver medallist, the 1963 North American champion, and a four-time (1960–63) Canadian national champion. She competed at the 1960 Winter Olympics in Squaw Valley and 1964 Winter Olympics in Innsbruck, placing 12th and 10th, respectively.

Eunice P. Shadd was a Canadian-American physician. She was one of the first black women to graduate from Howard University College of Medicine.

J. Miles Dale (born 1961) is a Canadian producer and director of film and television, best known for producing the critically acclaimed film, The Shape of Water, for which he won the Academy Award for Best Picture at the 90th Academy Awards. He is a regular collaborator of director Guillermo del Toro.

Romolo "Rom" Di Prisco is a Canadian video game composer and producer. He has provided music for over 30 video games, including Guacamelee!, Unreal Tournament 3, SSX Tricky, Spy Hunter 2, NHL series, Need for Speed series,. He also produces remixes for other artists including Christopher Lawrence, Unit:187, 3kStatic, and Count Your Curses. In addition, he also works on music for films and television programs. Some of his music in film and television include Saw 2, The Oprah Winfrey Show, America's Next Top Model, and The Sopranos, among many others.