List of Famous people born in Ontario, Canada

Kayla Noelle Sanchez is a Canadian swimmer. She competed in the women's 4 × 100 metre freestyle relay event at the 2017 World Aquatics Championships.

Jesse Allen Ronson is a Canadian mixed martial artist who is currently signed to the Ultimate Fighting Championship's (UFC) Lightweight division. A professional fighter since 2009, he has previously competed in promotions such as UFC, Aggression FC and Score Fighting Series. He was previously signed with TKO MMA, the largest mixed martial arts promotion in Canada, where he was the former Lightweight and Welterweight Champion.

Norman Frederick Jewison is a retired Canadian film director, producer, screenwriter and founder of the Canadian Film Centre. He has directed numerous feature films and has been nominated for the Academy Award for Best Director three times in three separate decades for In the Heat of the Night (1967), Fiddler on the Roof (1971) and Moonstruck (1987). Other highlights of his directing career include The Cincinnati Kid (1965), The Russians Are Coming, the Russians Are Coming (1966), The Thomas Crown Affair (1968), Jesus Christ Superstar (1973), Rollerball (1975), F.I.S.T. (1978), ...And Justice for All (1979), A Soldier's Story (1984), Agnes of God (1985), Other People's Money (1991), The Hurricane (1999), and The Statement (2003).

Sarah Nicole Blackwood, also known as Sarah Sin, is a Canadian singer-songwriter. In 2012, she joined the indie rock band Walk off the Earth.

Charles Edward Coughlin, commonly known as Father Coughlin, was a Canadian-American Roman Catholic priest who was based in the United States near Detroit. He was the founding priest of the National Shrine of the Little Flower church. He was one of the first political leaders to use radio to reach a mass audience: during the 1930s, an estimated 30 million listeners tuned to his weekly broadcasts.

Arthur Lewis Watkins Sifton,, was a Canadian politician who served as the second Premier of Alberta from 1910 until 1917. He became a minister in the federal cabinet of Canada thereafter. Born in Canada West, he grew up there and in Winnipeg, where he became a lawyer. He subsequently practised law with his brother Clifford Sifton in Brandon, where he was also active in municipal politics. He moved west to Prince Albert in 1885 and to Calgary in 1889. There, he was elected to the 4th and 5th North-West Legislative Assemblies; he served as a minister in the government of premier Frederick Haultain. In 1903, the federal government, at the instigation of his brother, made Sifton the Chief Justice of the Northwest Territories. After Alberta was created out of a portion of the Northwest Territories in 1905, Sifton became the first Chief Justice of Alberta in 1907 and served until 1910.

Oki Sato is a Japanese designer, architect, and the founder of Nendo.

Carmen Dorothy Blanche Silvera was a British comic actress. Born in Canada of Spanish descent, she moved to Coventry, England, with her family when she was a child. She appeared on television regularly in the 1960s, and achieved mainstream fame in the 1980s with her starring role in the British television programme, 'Allo 'Allo! as Edith Artois.

Alexandra Ashley Hughes, known by her stage name Allie X, is a Canadian singer, songwriter and visual artist. She began her career as an indie pop artist in Toronto in the mid-2000s, playing with local bands and writing and recording a handful of self-released albums.

Gordon Robert Tapp, was a Canadian entertainer, best known as a radio and television presenter, comedian and a CBS broadcaster. He was introduced to U.S. President Gerald Ford as the world's funniest storyteller.