List of Famous people born in Ontario, Canada

Shenae Grimes-Beech, previously credited as Shenae Grimes, is a Canadian actress. She portrayed Annie Wilson on 90210, a spin-off of Beverly Hills, 90210. Prior to that, she had a recurring role on the television series Naturally, Sadie, and played Darcy Edwards on Degrassi: The Next Generation for four seasons.

Tillson Lever Harrison was a Canadian physician, army officer and adventurer. Moving to New York and enlisting in the United States Army at an early age, he later returned to Canada to attend the University of Toronto before practising as a physician in a number of dangerous positions, such as the Chief of Medical Staff to Pancho Villa and the doctor for the Chinese Labour Corps, a workforce of over 200,000 men. After World War I, he traveled throughout the Middle East, treating venereal disease and operating an X-ray facility in Lod, Israel.

Wendy Jane Crewson is a Canadian actress and producer. She began her career appearing on Canadian television, before her breakthrough role in 1991 dramatic film The Doctor.

Cathleen Synge Morawetz was a Canadian mathematician who spent much of her career in the United States. Morawetz's research was mainly in the study of the partial differential equations governing fluid flow, particularly those of mixed type occurring in transonic flow. She was professor emerita at the Courant Institute of Mathematical Sciences at the New York University, where she had also served as director from 1984 to 1988. She was awarded the National Medal of Science in 1998.

Elizabeth Gale Putnam is a Canadian former competitive pair skater. With Sean Wirtz, she is the 2006 Four Continents bronze medalist and a two-time (2003–04) Canadian national bronze medalist.

Michael Woods is a Canadian racing cyclist, who currently rides for UCI WorldTeam Israel Start-Up Nation.

Jacqueline MacInnes Wood is a Canadian actress, disc jockey, singer and television host. She is best known for starring as Olivia Castle in the horror film Final Destination 5 (2011) and as the fashion executive and heiress Steffy Forrester in the American CBS soap opera The Bold and the Beautiful (2008–present), the latter earning her four Daytime Emmy Award nominations, winning in the category of Outstanding Lead Actress in a Drama Series in 2019.

Ronald Monteith Maitland was a Canadian sailor who competed in the 1932 Summer Olympics.

Jessica Steen is a Canadian film and television actress, noted for her roles in Captain Power and the Soldiers of the Future, Homefront, Earth 2, Armageddon, Left Behind: World at War, NCIS, Flashpoint and the CBC series Heartland.

Adam Kreek is an author, executive business coach and Canadian rower. He is a member of the Canadian Olympic Hall of Fame, the BC Hall of fame, the London, Ontario Hall of Fame.