List of Famous people born in Ontario, Canada

Jason Rocco Anthony Spezza is a Canadian professional ice hockey centre for the Toronto Maple Leafs of the National Hockey League (NHL).

Charles Vance Millar was a Canadian lawyer and financier. He was the president and part-owner of the Toronto brewery of O'Keefe Brewery. He also owned racehorses, including the 1915 King's Plate-winning horse "Tartarean." However, he is now best known for his unusual will which touched off the Great Stork Derby.

Florence Nightingale Graham, who went by the business name Elizabeth Arden, was a Canadian-American businesswoman who founded what is now Elizabeth Arden, Inc., and built a cosmetics empire in the United States. By 1929, she owned 150 salons in Europe and the United States. Her 1,000 products were being sold in 22 countries. She was the sole owner, and at the peak of her career, she was one of the wealthiest women in the world.

Robert Marvin Hull OC is a Canadian former ice hockey player who is regarded as one of the greatest players of all time. His blonde hair, legendary skating speed, end-to-end rushes, and ability to shoot the puck at very high velocity all earned him the name "The Golden Jet". His talents were such that one or two opposing players were often assigned just to shadow him—a tribute to his explosiveness.

Alger Joseph Arbour was a Canadian ice hockey player, coach, and executive. He is third to Joel Quenneville for games coached in National Hockey League history and fifth all-time in wins, behind Scotty Bowman, Joel Quenneville, Ken Hitchcock and Barry Trotz. Under Arbour, the New York Islanders won four consecutive Stanley Cups from 1980 to 1983. Born in Sudbury, Ontario, Arbour played amateur hockey as a defenceman with the Windsor Spitfires of the Ontario Hockey League. He played his first professional games with the Detroit Red Wings in 1953. Claimed by the Chicago Black Hawks in 1958, Arbour would help the team win a championship in 1961. Arbour played with the Toronto Maple Leafs for the next five years, winning another Cup in 1962. He was selected by the St. Louis Blues in their 1967 expansion draft and played his final four seasons with the team.

Shane Rimmer was a Canadian actor, voice actor, screenwriter, and singer who spent the majority of his career in the United Kingdom. The self-proclaimed "Rent-A-Yank" of the British entertainment industry, he appeared in over 160 films and television programmes from 1957 until his death in 2019, usually playing supporting North American characters.

Charles R. Poliquin was a Canadian strength coach. He was also the author of eight books.

Alice Glass is a Canadian singer and songwriter. She is the co-founder and former frontwoman of the electronic band Crystal Castles. In 2014, she embarked on a solo career. She released her eponymous debut EP in 2017.

Shauna Robertson is a Canadian film producer. From 1999 to 2008, she worked frequently with Judd Apatow, and produced a number of films for Apatow Productions, including Anchorman: The Legend of Ron Burgundy (2004), The 40-Year-Old Virgin (2005), Knocked Up, Superbad, Forgetting Sarah Marshall and Pineapple Express.

Elvis Stojko, is a Canadian figure skater. He was a three-time World champion, two-time Olympic silver medallist, and seven-time Canadian champion.