List of Famous people born in Ontario, Canada

Michael Grant Ignatieff is a Canadian author, academic and former politician. He was the leader of the Liberal Party of Canada and Leader of the Official Opposition from 2008 until 2011. Known for his work as a historian, Ignatieff has held senior academic posts at the universities of Cambridge, Oxford, Harvard, and Toronto. He is currently rector and President of Central European University.

Marial Makur Shayok is a Canadian professional basketball player for Frutti Extra Bursaspor of the Turkish Super League (BSL). He played college basketball for the Virginia Cavaliers and Iowa State Cyclones.

Jeffrey J. Carter is a Canadian professional ice hockey centre for the Pittsburgh Penguins of the National Hockey League (NHL). He previously played for the Philadelphia Flyers, Columbus Blue Jackets and Los Angeles Kings. He was drafted 11th overall by the Flyers in the 2003 NHL Entry Draft.

Gabriela Maria DeBues-Stafford is a Canadian middle-distance runner. She competed in the 1500 metres at the 2016 World Indoor Championships. In addition, she won the silver medal at the 2015 Summer Universiade.

Pierce LePage is a Canadian track athlete who competes in the decathlon. LePage won the silver medal in the decathlon at the 2018 Commonwealth Games, was the winner of the 2017 Canadian Track and Field Championships, winner of the 2019 DecaStar, bronze medal winner at the 2019 Pan American Games and fifth-place finisher at the 2019 World Championships.

Erik Donald Stanley Gudbranson is a Canadian professional ice hockey defenceman and alternate captain for the Ottawa Senators of the National Hockey League (NHL). He was selected third overall by the Florida Panthers in the 2010 NHL Entry Draft. Before joining the Senators, Gudbranson had previously played for the Panthers, Vancouver Canucks, Pittsburgh Penguins and Anaheim Ducks.

James Robert Romak is a Canadian professional baseball player for the SSG Landers of the KBO League. He has played in Major League Baseball (MLB) for the Arizona Diamondbacks and Los Angeles Dodgers. Romak has also competed for the Canadian national baseball team.

Martin James McSorley is a Canadian former professional hockey player, who played in the National Hockey League (NHL) from 1983 until 2000. A versatile player, he was able to play both the forward and defense positions.

Brian Edward Bellows is a Canadian former professional ice hockey player. He played nearly 1,200 games in the National Hockey League (NHL) with the Minnesota North Stars, Montreal Canadiens, Tampa Bay Lightning, Mighty Ducks of Anaheim and the Washington Capitals. He was a member of the 1993 Stanley Cup-winning Montreal Canadiens.

Neville Gallimore is a Canadian American football defensive end for the Dallas Cowboys of the National Football League (NFL). He played college football at Oklahoma.