List of Famous people born in Ontario, Canada

Christian Potenza is a Canadian voice, film and television actor and comedian. He is best known for playing Jude on 6teen and Chris McLean in the Total Drama franchise.

Stefan Arngrim, sometimes credited as Stephan Arngrim, is a Canadian actor and musician.

Walter Edward Hart Massey was a Canadian actor, best known for voicing Principal Herbert Haney on the animated series Arthur and The Doctor in the English version of The Mysterious Cities of Gold. He was based in Montreal, Quebec.

Stevie Cameron,, is an award-winning Canadian investigative journalist and best-selling author.

Isadore "Issy" Sharp, is a Canadian hotelier and writer. He is founder and chairman of Four Seasons Hotels and Resorts.

John Whitney "Jack" Pickersgill, was a Canadian civil servant and politician. He was born in Ontario, but was raised in Manitoba. He was the Clerk for the Canadian Government's Privy Council in the early 1950s. He was first elected to federal parliament in 1953, representing a Newfoundland electoral district and serving in Prime Minister Louis St. Laurent's cabinet. In the mid-1960s, he served again in cabinet, this time under Prime Minister Lester B. Pearson. Pickersgill resigned from Parliament in 1967 to become the president of the Canadian Transport Commission. He was awarded the highest level of the Order of Canada in 1970. In his later years, he wrote books on Canadian history. He died in 1997 in Ottawa.

John Tuzo Wilson was a Canadian geophysicist and geologist who achieved worldwide acclaim for his contributions to the theory of plate tectonics.

Alfred Vaino Aho is a Canadian computer scientist best known for his work on programming languages, compilers, and related algorithms, and his textbooks on the art and science of computer programming.

Wade Imre Morissette is a Canadian kirtan and indie pop-rock musician, yoga instructor, therapist, and author.