List of Famous people born in Ontario, Canada

Megan Park is a Canadian actress, singer and director. She is known for her portrayal of Grace Bowman in the television series The Secret Life of the American Teenager.

Kirk Christopher Muller is a Canadian former professional ice hockey winger who played in the National Hockey League for 19 seasons from 1984–85 until 2002–03. He was also the head coach of the National Hockey League's Carolina Hurricanes from 2011 to 2014. Since 2016, he has been an associate coach with the Montreal Canadiens, where he previously served as assistant coach from 2006 to 2011.

Margaret Chung Lai Kei is a Hong Kong-based model, actor and yoga instructor.

Nicole de Boer is a Canadian actress. She is best known for starring in the cult film Cube as Joan Leaven, playing Ezri Dax on the final season of Star Trek: Deep Space Nine (1998–1999), and as Sarah Bannerman on the series The Dead Zone (2002–2007). Since 2016 she has had a recurring role as Becca Dorsay, ex-wife of one of the series leads on the Canadian-produced crime drama Private Eyes.

The Rt. Hon. Sir Allan Napier MacNab, 1st Baronet of Dundurn Castle, Kt, GCStJ, QC, MP, PC, ADC was a Canadian political leader who served as joint Premier of the Province of Canada from 1854 to 1856. He was the great great great grandfather of HRH The Duchess of Cornwall, who is the current Royal Patron of Dundurn Castle, Sir Allan's former familial residence, as Premier.

Ricardo Baptista Leite is a Medical Doctor, University Professor, Politician and Author. He is a 3rd term Member of the Portuguese National Parliament and member of the Cascais Town-Hall Assembly, also in is 3rd term. Baptista Leite is the Head of Public Health at the Catholic University of Portugal.

Jessica Klimkait is a Canadian Judoka who competes in the women's 57 kg category. In 2021 she became Canada's second judo world champion, defeating Momo Tamaoki of Japan in the women's lightfoot final at the championships in Budapest, Hungary; the win also qualified her for the Tokyo Olympic Games. She won one of the bronze medals in the women's 57 kg event at the 2020 Summer Olympics.

Peter James George, was a Canadian economist and university administrator. On June 30, 2010, he retired after serving three five year terms as President and Vice-Chancellor of McMaster University in Hamilton, Ontario.

Sean Burke is a Canadian former professional ice hockey goaltender and the current director of goaltending for the Montreal Canadiens. He played 18 seasons in the National Hockey League (NHL) for the New Jersey Devils, Hartford Whalers, Carolina Hurricanes, Vancouver Canucks, Philadelphia Flyers, Florida Panthers, Phoenix Coyotes, Tampa Bay Lightning and Los Angeles Kings. He was born in Windsor, Ontario, but grew up in Toronto, Ontario.

Jason Hook is a Canadian guitarist, record producer, songwriter, and session musician. He is best known as the former lead guitarist of the heavy metal band Five Finger Death Punch.