List of Famous people born in Ontario, Canada

Philip Arden Beachy is Ernest and Amelia Gallo Professor at Stanford University School of Medicine in Palo Alto, California and an Associate at Stanford's Institute of Stem Cell Biology and Regenerative Medicine.

Eleanor Catton is a New Zealand novelist and screenwriter. Born in Canada, Catton moved to New Zealand as a child and grew up in Christchurch. She completed a Master's degree in creative writing at the International Institute of Modern Letters. Her award-winning debut novel, The Rehearsal, written as her Master's thesis, was published in 2008, and has been adapted into a 2016 film of the same name. Her second novel, The Luminaries, won the 2013 Man Booker Prize, making Catton the youngest author ever to win the prize and only the second New Zealander. It was subsequently adapted into a television miniseries, with Catton as screenwriter.

Jeanne Landry was a Canadian composer, pianist and teacher who taught counterpoint and harmony at the Faculty of Music at Université Laval from 1951 to 1983. She began as a solo pianist in 1940 and was named the 1946 winner of the Prix d'Europe grant. Landry gave public recitals, appeared on CBC Radio and was an accompanist for various composers and instrumentalists and singers in concert, radio and television. She retired from teaching in 1983, and devoted her time to composition and writing free-form poems.

Jeff Lemire is a Canadian comic book writer and artist. He is the author of titles including the Essex County Trilogy, Sweet Tooth, and The Nobody. His work in the 2010s includes All-New Hawkeye, Extraordinary X-Men, Moon Knight and Old Man Logan for Marvel; Superboy, Animal Man, Justice League Dark, and Green Arrow for DC; Black Hammer for Dark Horse; Descender and Plutona for Image Comics; and Bloodshot Reborn for Valiant.

James Gordon Cuddy, is a Canadian singer-songwriter primarily associated with the band Blue Rodeo.

David Hunter Hubel was a Canadian American neurophysiologist noted for his studies of the structure and function of the visual cortex. He was co-recipient with Torsten Wiesel of the 1981 Nobel Prize in Physiology or Medicine, for their discoveries concerning information processing in the visual system. For much of his career, Hubel was the John Franklin Enders University Professor of Neurobiology at Harvard Medical School. In 1978, Hubel and Wiesel were awarded the Louisa Gross Horwitz Prize from Columbia University. In 1983, Hubel received the Golden Plate Award of the American Academy of Achievement.

John Sewell, CM is a Canadian political activist and writer on municipal affairs; he was the mayor of Toronto, Ontario from 1978 to 1980.

Myron Samuel Scholes is a Canadian-American financial economist. Scholes is the Frank E. Buck Professor of Finance, Emeritus, at the Stanford Graduate School of Business, Nobel Laureate in Economic Sciences, and co-originator of the Black–Scholes options pricing model. Scholes is currently the chairman of the Board of Economic Advisers of Stamos Capital Partners. Previously he served as the chairman of Platinum Grove Asset Management and on the Dimensional Fund Advisors board of directors, American Century Mutual Fund board of directors and the Cutwater Advisory Board. He was a principal and limited partner at Long-Term Capital Management and a managing director at Salomon Brothers. Other positions Scholes held include the Edward Eagle Brown Professor of Finance at the University of Chicago, senior research fellow at the Hoover Institution, director of the Center for Research in Security Prices, and professor of finance at MIT's Sloan School of Management. Scholes earned his PhD at the University of Chicago.

Kay Hawtrey is a retired Canadian actress. She was born in Toronto, Ontario.

Kenneth Noble Stevens was the Clarence J. LeBel Professor of Electrical Engineering and Computer Science, and Professor of Health Sciences and Technology at the Research Laboratory of Electronics at MIT. Stevens was head of the Speech Communication Group in MIT's Research Laboratory of Electronics (RLE), and was one of the world's leading scientists in acoustic phonetics.