Aucoin is a surname. Notable people with the surname include:
Adrian Aucoin (born 1973), Canadian ice hockey player
Bill Aucoin (1943–2010), American band manager
Derek Aucoin (born 1970), Canadian baseball pitcher
Hubert Meen Aucoin (born 1874), Canadian politician
Keith Aucoin (born 1978), American ice hockey player
Kelly AuCoin, American actor
Kevyn Aucoin (1962–2002), American make-up artist and photographer
Les AuCoin (born 1942), United States Congressman from Oregon
Louis M. Aucoin, United Nations Secretary-General Deputy Special Representative for Liberia
Peter Aucoin (1943–2011), professor
Phil Aucoin (born 1981), ice hockey player
Rich Aucoin, Canadian indie rock musician
