Vachon is a surname. Notable people with the surname include:
members of the Canadian professional wrestling Vachon family:Luna Vachon (1962–2010), ring name of professional wrestler Gertrude VachonMaurice Vachon (1929–2013), retired Canadian professional wrestler, known by his ring name "Mad Dog" VachonPaul Vachon (born 1938), former professional wrestlerVivian Vachon (1951–1991), female professional wrestlerAuguste Vachon, Canadian officer of armsChristine Vachon (born 1962), American movie producerFlorian Vachon (born 1985), French professional road bicycle racerFrançois Vachon de Belmont (1645–1732), fifth superior of the Montreal SulpiciansJean Vachon (1903–1989), American silent film actressJohn Vachon (1914–1975), American photographerLouis-Albert Vachon (1912–2006), cardinal of the Roman Catholic Church, and Archbishop Emeritus of QuebecNicholas Vachon (born 1972), Canadian ice hockey playerPierre Vachon (1731–1803), French classical composerRogatien Vachon (born 1945), Canadian ice hockey goaltenderJavier Vachon, character from the television series Forever KnightMatthew Vachon, Music Mogul/Mayor: Brewer, Maine