List of Famous people born in Ontario, Canada

David Semenovich Nemirovsky is a Canadian former professional ice hockey forward.

Brian "Blunt" Glennie was a Canadian professional ice hockey defenceman who played in the National Hockey League (NHL) from 1969 until 1979. Glennie was a master of the hip-check.

Bernard Slade Newbound was a Canadian playwright and screenwriter. As a screenwriter, he created the sitcoms The Flying Nun and The Partridge Family. As a playwright, he wrote Same Time, Next Year, Tribute, and Romantic Comedy and their film adaptations.

François Dompierre C.M. is a Canadian musician, songwriter and composer, best known as a composer of film scores.

Jack Pickford was a Canadian-born American actor, film director and producer. He was the younger brother of actresses Mary and Lottie Pickford.

Donald Stovel Macdonald was a Canadian lawyer, politician and diplomat. Macdonald was a long-time Liberal party Member of Parliament and Cabinet minister. In the early 1980s, he headed a royal commission which recommended that Canada enter a free trade agreement with the United States.

Dyshawn Pierre is a Canadian professional basketball player for Fenerbahçe of the Turkish Basketball Super League and the EuroLeague. He is from Whitby, Ontario and played college basketball for the Dayton Flyers.

Roy Herbert Thomson, 1st Baron Thomson of Fleet, GBE was a Canadian-born British newspaper proprietor who became one of the moguls of Fleet Street in London.

Margaret Olwen MacMillan is a Canadian historian and professor at the University of Oxford. She is former provost of Trinity College, Toronto and professor of history at the University of Toronto and previously at Ryerson University. Macmillan is an expert on history and international relations.

Geoff Platt is a Canadian-Belarusian ice hockey player, currently playing for Salavat Yulaev Ufa of the Kontinental Hockey League (KHL).