List of Famous people born in Ontario, Canada

Daniel David Palmer or D.D. Palmer was a Canadian American chiropractor who was the founder of chiropractic. Palmer was born in Port Perry, Ontario, but emigrated to the United States. He was an avid proponent of various forms of alternative medicine such as magnetic healing. Palmer opposed anything he thought to be associated with mainstream medicine such as vaccination.

Terry Simpson is a Canadian former professional ice hockey player and a former NHL head coach.

John Sandfield Macdonald, was the joint Premier of the Province of Canada from 1862 to 1864. He was also the first Premier of Ontario from 1867 to 1871, one of the four founding provinces created at Confederation in 1867. He served as both premier and Attorney-General of Ontario from July 16, 1867, to December 20, 1871.

Jean Adair was a Canadian actress.

James Thomas Milton Anderson was the fifth premier of Saskatchewan and the first Conservative to hold the office.

Gary Kovacs is a San Francisco Bay Area technologist. He was the Chief Executive Officer of AVG Technologies. Kovacs has worked for Mozilla Corporation, Adobe, SAP, and IBM, and led Zi Corporation, a mobile text messaging company.

Sir William Buell Richards, was the first Chief Justice of Canada.

Jeremy Podeswa is a Canadian film and television director. He is best known for directing the films The Five Senses (1999) and Fugitive Pieces (2007). He has also worked as director on the television shows Six Feet Under, Nip/Tuck, The Tudors, Queer as Folk, and the HBO World War II miniseries The Pacific. He has also written several films.

William Dear is a Canadian film director, producer and screenwriter known for directing Harry and the Hendersons, If Looks Could Kill, Angels in the Outfield, Wild America and Santa Who?.