Sévin and its variants Sevin, Saint-Sevin, and de Sévin are a surname of French origins. Notable people with the surname include:
Hector Sévin (1852–1916), French Roman Catholic Cardinal Michelle Sévin (born 1955), French para table tennis player Joseph M. X. de Sévin (1894–1963), French military officer Charles Sevin de Quincy (1660–1738), French artillery general and historian Jacques Sevin (1882–1951), French Jesuit Jo Ann Sevin (born 1977), American sports shooter L. J. Sevin (1930–2015), American businessman Joseph-Barnabé Saint-Sevin dit L'Abbé le Fils (1727–1803), French composer and violinist Philippe Saint-Sevin (1698–1777), French cellist Pierre Saint-Sevin (1695–1768), French cellist and composer