List of Famous people born in Ontario, Canada

Frederick Reginald Ironside, known as Michael Ironside, is a Canadian voice, film and television actor. He has worked as a voice actor, producer, film director, and screenwriter in film and television series in various Canadian and American productions. He is best known for playing villains and "tough guy" heroes, though he has also portrayed sympathetic characters.

Paul Allen Wood Shaffer is a Canadian singer, composer, actor, author, comedian, and multi-instrumentalist who served as David Letterman's musical director, band leader, and sidekick on the entire run of both Late Night with David Letterman (1982–1993) and Late Show with David Letterman (1993–2015).

Sheldon Keefe, is a Canadian professional ice hockey coach and former player. He is the current head coach of the Toronto Maple Leafs of the National Hockey League. His younger brother Adam Keefe is the current head coach of the Belfast Giants of the EIHL.

Rob Stewart was a Canadian photographer, filmmaker and conservationist. He was best known for making and directing the documentary films Sharkwater and Revolution. He died at the age of 37 in a scuba diving incident while in Florida filming Sharkwater Extinction.

Eric Bryan Lindros is a Canadian former professional ice hockey player. Lindros was born in London, Ontario, but grew up in Toronto. He played junior hockey in the Ontario Hockey League (OHL) for the Oshawa Generals prior to being chosen first overall in the 1991 NHL Entry Draft by the Quebec Nordiques. He refused to play for the Nordiques and was eventually traded to the Philadelphia Flyers in June 1992 in exchange for a package of players and draft picks including Peter Forsberg. During his OHL career, Lindros led the Generals to a Memorial Cup victory in 1990. Prior to being drafted in 1991, Lindros captured the Red Tilson Trophy as the Most Outstanding Player in the OHL, and also was named the CHL Player of the Year.

Jahmil French was a Canadian actor, most noted for his regular role as Dave Turner in Degrassi: The Next Generation, for which he received a Canadian Screen Award nomination for Best Performance in a Children's or Youth Program or Series at the 1st Canadian Screen Awards in 2013, and his performance in the film Boost, for which he was nominated for Best Supporting Actor at the 6th Canadian Screen Awards in 2018.

Donal Francis Logue is a Canadian-born, American film and television actor, producer and writer. He starred in the film The Tao of Steve and has had roles in the TV series Sons of Anarchy, Vikings, Grounded for Life, Copper, Terriers, and, as detective Harvey Bullock, Fox's Gotham. He additionally played the recurring role of Lt. Declan Murphy in NBC's Law & Order: Special Victims Unit.

Dale Hawerchuk was a Canadian professional ice hockey player and coach. Drafted first overall by the Winnipeg Jets in the 1981 NHL Entry Draft, Hawerchuk played in the National Hockey League (NHL) for 16 seasons as a member of the Jets, Buffalo Sabres, St. Louis Blues and Philadelphia Flyers. He won the NHL's Calder Memorial Trophy as the league's Rookie of the Year in 1982 and was elected to the Hockey Hall of Fame in his second year of eligibility in 2001. Hawerchuk served as the head coach of the Barrie Colts of the Ontario Hockey League from 2010 to 2019.

Sarah Lindsey Pavan is a Canadian beach volleyball and former indoor volleyball player. She was part of the Canada women's national volleyball team at the 2010 FIVB Volleyball Women's World Championship in Japan. With Melissa Humana-Paredes she won the women's gold medal at the 2019 Beach Volleyball World Championships.

William Lyon Mackenzie King, commonly known as Mackenzie King or WLMK, was a Canadian statesman and politician who served as the tenth prime minister of Canada for three non-consecutive terms from 1921–1926, 1926–1930 and 1935–1948. A Liberal, he was the dominant politician in Canada during the interwar period from the 1920s through the 1940s. He is best known for his leadership of Canada throughout the Second World War (1939–1945) when he mobilized Canadian money, supplies and volunteers to support Britain while boosting the economy and maintaining morale on the home front. With a total of 21 years and 154 days in office, he remains the longest-serving prime minister in Canadian history. Trained in law and social work, he was keenly interested in the human condition, and played a major role in laying the foundations of the Canadian welfare state.