List of Famous people born in Ontario, Canada

Brendan Michael O'Brien is a Canadian prelate of the Roman Catholic Church. He served as Archbishop of Kingston from 2007 to 2019. He was previously Archbishop of St. John's (Newfoundland) and Bishop of Pembroke (Ontario).

Kathryn Greenwood is a Canadian actress and comedian. She appeared on the American version of Whose Line Is It Anyway? numerous times, and played Grace Bailey on the Canadian television drama series Wind at My Back.

Nobu McCarthy was a Japanese Canadian actress, fashion model, and stage director. She received a nomination for the Independent Spirit Award for Best Female Lead for her performance in the film The Wash.

Kimberley Ann Roberts is a Canadian actress best known for her roles as Christine in The Handmaids Tale (2017), Regina from Cloudy with a Chance of Meatballs (2017), Marnie in Schitt's Creek (2015), Neeva in The Strain (2014), Gloria in Lucky Seven (2013), Camilla in Being Erica (2010), Mazz in The Doodlebops (2004–05), Mrs. Arvin in I'm Not There (2007), Deborah in Saw III (2006) and Saw IV (2007) and Mrs. Bosco in The Cheetah Girls (2003).

Kyle Johnson is a Canadian-born British basketball player. Born in Scarborough, Ontario, Johnson played for West Hill Collegiate Institute before enrolling to LIU Brooklyn to play college basketball. After graduating from college, he has played professionally in Europe and Canada.

Tom Butler is a Canadian actor who has starred in movies and on television series and in many television films.

Scott Thompson is a Canadian television actor and comedian, best known for being a member of the comedy troupe The Kids in the Hall and for playing Brian on The Larry Sanders Show.

Maurice Godin is a Canadian actor, who has appeared in several films and television shows.