List of Famous people born in Ontario, Canada

Brittany Allen is a Canadian actress and composer. Her first notable role was as Marissa Chandler on All My Children from 2009 to 2010, for which she received a Daytime Emmy Award for Outstanding Younger Actress in 2011. In later years, she worked consistently on television, and in the films of her partner, Colin Minihan, including the 2018 film What Keeps You Alive which Allen starred in and scored, the 2014 film Extraterrestrial, and the 2016 film It Stains the Sands Red.

Jonathon Young is a Canadian actor known for his role of Nikola Tesla on the SyFy show Sanctuary. Appearances include The Fog, Eureka, and Stargate Atlantis. Young is a well-respected stage actor. He is the co-founder of Electric Company Theatre in Vancouver, British Columbia, Canada in which he is also the artistic director, playwright, and actor.

Keegan Connor Tracy is a Canadian actress and author. She is best known for her roles as Audrey Malone in the Showtime comedy-drama series Beggars and Choosers (1999–2000), the Blue Fairy in the ABC fantasy drama series Once Upon a Time (2011–18), Miss Blaire Watson in the A&E drama series Bates Motel (2013–16), and Professor Lipson in the Syfy fantasy series The Magicians (2016–2020). Tracy's other notable work includes roles on the television series Jake 2.0, The 4400, Stargate SG-1, Supernatural, Psych, and Battlestar Galactica.

Roger Anthony Lemke is a Canadian television and film actor, best known for portraying Three on Syfy's science-fiction drama Dark Matter.

Genelle Williams is a Canadian actress who is best known for her roles as Kim Carlisle in Radio Free Roscoe, as DJ in The Latest Buzz, and as the innkeeper Leena in Warehouse 13.

Luciana Carro is a Canadian actress best known for her appearances on the television series Battlestar Galactica, Caprica, and Falling Skies and in movies such as Two for the Money and Dr. Dolittle 3.

Rukiya Bernard is a Canadian actress, producer and interior designer. She is known for her role as Doc in Syfy's Van Helsing, The Cabin in the Woods (2012), The Day the Earth Stood Still (2008) and Stuck (2007).

Vinessa Antoine is a Canadian television actress. She is best known for her roles as Judith Winters in the CBC comedy-drama Being Erica; Jordan Ashford in the ABC soap opera General Hospital; and Marcie Diggs in the CBC drama Diggstown.

Katherine Barrell is a Canadian actress, writer, producer, and director. She is best known for her role as Officer Nicole Haught in the Syfy supernatural weird West television series Wynonna Earp. In 2020, she joined the cast of the fantasy comedy-drama television series Good Witch as Joy Harper.

Jennifer Irwin is a Canadian actress best known for her roles as Linda on Still Standing and as Laurie Neustadt in the comedy Superstar.