Back is a surname, and may refer to:Adam Back, British cryptographer
Akira Back, Korean-American chef and restaurateur
Back Da-yeon, Korean tennis player
Back Hye-ryun, South Korean prosecutor and parliamentarian
Back Sang-suh, South Korean handball player
Back Young-chul, South Korean former footballer
Charles Back, South African winemaker
Chris Back, Australian politician
Doug Back, Canadian media artist
Ernst Emil Alexander Back (1881–1959), German physicist
Fin Back, English footballer
Frédéric Back (1924–2013), Canadian animator
George Back (1796–1878), British naval officer and explorer
Gordon Back, Welsh pianist
Gusty Back (1927–2010), Luxembourgish footballer
Guy Back, Luxembourgish footballer
Hans-Ulrich Back (1896–1976), German general
Hugh Back (1863–1928), Archdeacon of Warwick
Jean Back, Luxembourgish writer, photographer and civil servant
Lennart Back (1933–2022), Swedish race walker
Les Back, English sociology professor and author
Matt Back, Welsh rugby union international
Natasja Crone Back, Danish journalist
Neil Back, English rugby player
Oskar Back (1879–1963), Austrian-Dutch violinist
Pär-Erik Back (1920–1988), Swedish social scientist
Rachel Tzvia Back, American-Israeli poet, translator and academic
Ralph-Johan Back, Finnish computer scientist
Robert Back (1922–2004), British marine artist
Rolf Back (1928–2009), Finnish sprinter
Rico Back, German businessman
William Back (cricketer) (1856–1911), Australian cricketer
William Back (geologist) (1925-2008), American geologist