Cauvin is a surname. Notable people with the surname include:
André Cauvin (1907–2004), Belgian documentary film director Gérard Cauvin (died 1531), father of Protestant Reformer John Calvin Jacques Cauvin (1930–2001), French archaeologist Patrick Cauvin (1932–2010), French writer Raoul Cauvin (born 1938), Belgian comics writer Sophie Cauvin (born 1968), Belgian painter
See also Cauvin Bank, wholly submerged atoll structure in the Southern Part Chagos Archipelago John Calvin (born Jehan Cauvin in 1509–1564), French theologian