Arnoux is a surname. Notable people with the surname include:
Cody Arnoux, American association football player
Hippolyte Arnoux (1860–1890), French photographer and publisher
Maurice Arnoux, World War I flying ace credited with five aerial victories
René Arnoux (born 1948), retired French racing driver who is a veteran of 12 Formula One seasons (1978 to 1989)
Stanley Arnoux (born 1986), American football linebacker for the New Orleans Saints of the National Football League