Filion is a surname. Notable people with the surname include:
Amaury Filion (born 1981), Dominican basketballer Gérard Filion (1909–2005), Canadian businessman and journalist Hervé Filion (1940–2017), Canadian harness racing driver Jean Filion (born 1951), Canadian politician John Filion (born 1950), Toronto city councillor Louise Filion (born 1945), Canadian biogeographer Maurice Filion (1932–2017), Canadian ice hockey coach Richard Filion, Canadian administrator Roseline Filion (born 1987), Canadian diver
See also Fillion, surname Fillon (surname)