Langevin is a French surname. Notable people with the surname include:
Adélard Langevin (1855–1915), Canadian Roman Catholic archbishopCharles Langevin (1789–1869), Canadian businessmanChris Langevin (1959–), Canadian ice hockey playerDave Langevin (1954–), American ice hockey playerDominique Langevin (born 1947), French researcher in physical chemistry.Hector-Louis Langevin (1826–1906), Canadian politicianHélène Langevin-Joliot (1927–), French nuclear physicist, Frederic Joliot and Irène Curie's daughterJames Langevin (1964–), American politicianJean Langevin (1821–1892), Canadian Roman Catholic bishopLuce Langevin-Dubus (1899-2002), French physicist and biologistMichel Langevin, Canadian drummer, founding member of VoivodPaul Langevin (1872–1946), French physicist, chemist and philosopher of sciencePaul-Gilbert Langevin (1933-1986), French musicologist and physicistPaul Langevin (politician), Canadian politicianRobert Langevin, Canadian flautistRonald Langevin (born 1940), Canadian psychologist