List of Famous people born in Ontario, Canada

Richard John Grecco is a Canadian prelate of the Roman Catholic Church. He is the 13th and current Bishop of Charlottetown.

Michael David Adamthwaite is a Canadian voice and television actor. He is credited with providing the voice for many characters in various anime series. He is also known for playing the Jaffa Herak in the science fiction TV-series Stargate SG-1. He is also best known as the voice of Jay in the Cartoon Network show Lego Ninjago: Masters of Spinjitzu.

Walter Kowalski was a Canadian-American professional wrestler.

Luc-André Bouchard is a Canadian bishop of the Roman Catholic Church. Appointed by Benedict XVI, Bouchard is the ninth Bishop of Trois-Rivières.

Allan Dwan was a pioneering Canadian-born American motion picture director, producer, and screenwriter.

Derek MacKenzie is a Canadian former professional ice hockey player who most notably played for the Atlanta Thrashers, Columbus Blue Jackets and the Florida Panthers of the National Hockey League (NHL). He was drafted 128th overall by the Atlanta Thrashers in the 1999 NHL Entry Draft. He also played in the American Hockey League (AHL) for Columbus' and Atlanta's farm teams, the Syracuse Crunch and Chicago Wolves respectively. While with the Wolves, MacKenzie was part of a Calder Cup championship team in 2002 and also spent time as the team's captain. He set franchise records in career shorthanded goals for both AHL teams. His father, Ken MacKenzie, is the assistant general manager of the Ontario Hockey League's Sudbury Wolves. He is currently an assistant coach for the Florida Panthers, whom he previously served as captain of from 2016 to 2018.

Edgar John "Ben" Benson, was a Canadian politician, businessman, diplomat, and university professor. He held four cabinet posts, most notably that of Minister of Finance under Pierre Trudeau, where he was instrumental in reforming Canada's income tax law. He was described as "Pierre Trudeau's unflappable finance minister, the pipe-smoking financial wizard who raised the ire of corporate Canada in the 1970s by bringing in a capital gains tax."

Kris Lemche is a Canadian actor.