Hains is a surname. Notable people with the surname include:
Art Hains, broadcaster David Hains (c. 1931–2023), businessman Donald Hains (1916–2005), Canadian sailor Mel Hains (born 1951), South African sports shooter Peter Conover Hains (1840–1921), military officer Peter Hains (1872–1955), Army captain Peter C. Hains III (1901–1998), military officer Raymond Hains (1926–2005), French visual artist Ted Hains (born 1948), Canadian sailor Thornton Jenkins Hains (1866–1953), American novelist
See also Haines (disambiguation) Hains Point, park Hames, surname Hanes, clothing manufacturer Haynes (disambiguation) House Hains, historic residence in South Africa