List of Famous people born in Ontario, Canada

Daniel Gerard O'Toole is a Canadian television sports anchor. From 2003 to 2013, he co-hosted the 1:00 AM (ET) weekday broadcast of TSN's SportsCentre, alongside Jay Onrait.

Kelly Rowan is a Canadian film and television actress and former fashion model. A native of Ottawa, Rowan studied acting in London and New York City before working as a model. She was subsequently featured in the horror film The Gate (1987) before earning critical acclaim for her performance in the Canadian television film Adrift, for which she won a Gemini Award for Best Actress. After a lead role in Candyman: Farewell to the Flesh (1995), Rowan starred as Mattie Shaw on the series Lonesome Dove: The Outlaw Years (1996–1997).

Claudio Paolo Palmieri, known professionally as Ethan Kath, is a co-founder and songwriter/producer for Crystal Castles and previously the bassist of Kïll Cheerleadër and Die Mannequin.

William Bruce Davis is a Canadian actor and director, best known for his role as the Cigarette Smoking Man on The X-Files. Besides appearing in many TV programs and movies, Davis founded his own acting school, the William Davis Centre for Actors Study. In his personal life, Davis is an avid water-skier, lectures on skepticism at events such as the Committee for Skeptical Inquiry's CSICon, and advocates for action on climate change. In 2011 Davis published his memoir, Where There's Smoke ... The Musings of a Cigarette Smoking Man.

Lisa Rani Ray is an Indian Canadian actress. Ray began her modelling career in the early 1990s, appearing for leading Indian brands like Bombay Dyeing and Lakmé. Alongside, she made her acting debut in 1996 in the Tamil film Nethaji. Her first Bollywood appearance was in 2001, in the offbeat romantic thriller Kasoor. Through her acting career, Ray has demonstrated a penchant for issue-oriented portrayals, most notably in the 2005 Oscar nominated Canadian film Water and the award-winning South African feature The World Unseen, described by a reviewer as "one of the best-conceived queer films of the past year."

Robert Gordon Orr is a Canadian former professional ice hockey player, widely acknowledged as one of the greatest of all time. Orr used his ice skating speed, scoring, and play-making abilities to revolutionize the position of defenceman. He played in the National Hockey League (NHL) for 12 seasons, starting with 10 with the Boston Bruins followed by two with the Chicago Black Hawks. Orr remains the only defenceman to have won the league scoring title with two Art Ross Trophies. He holds the record for most points and assists in a single season by a defenceman. Orr won a record eight consecutive Norris Trophies as the NHL's best defenceman and three consecutive Hart Trophies as the league's most valuable player (MVP). Orr was inducted into the Hockey Hall of Fame in 1979 at age 31, the youngest to be inducted at that time. In 2017 Orr was named by the National Hockey League as one of the "100 Greatest NHL Players" in history. After his hockey career, he became a well-known scout for many professional teams. He also spends time talking to and mentoring young skaters.

Nam Nguyen is a Canadian figure skater. He is the 2014 World Junior champion, 2019 Skate Canada silver medalist, and two-time Canadian national champion. He has placed as high as fifth at the World Championships, in 2015.

Adam Joseph van Koeverden is a Canadian sprint kayaker and politician. He is an Olympic gold medallist in the K-1 500m category (2004) and a two-time world champion in K-1 500 (2007) and K-1 1000 (2011), winning four Olympic and eight world championship medals. His home club is the Burloak Canoe Club in Oakville, Ontario.

Derek Sloan is a Canadian politician who was elected to represent the riding of Hastings—Lennox and Addington in the House of Commons of Canada in the 2019 Canadian federal election. Sloan ran as a candidate for the Conservative Party leadership in 2020 and was eliminated after the first ballot. In 2020, he made national news coverage for his controversial views on LGBTQ issues and making allegedly racist remarks.

Trevor Daley is a Canadian former professional ice hockey defenceman who currently serves as a hockey operations advisor for the Pittsburgh Penguins of the National Hockey League (NHL). He played sixteen seasons in the NHL for the Dallas Stars, Chicago Blackhawks, Pittsburgh Penguins and Detroit Red Wings. He won two Stanley Cups both with the Penguins in 2016, and 2017.