Blain is a surname. Notable people with the surname include:
Adair Blain (1894–1983), Austrian Parliament member Amanda Blain, Canadian Internet personality Brian Blain (1936–1994), Australian actor Georgia Blain (1964–2016), Australian journalist Gérard Blain (1930–2000), French actor James Blain, Canadian Boy Scout John Blain (disambiguation), multiple people John Blain (Canadian football) (born 1955), Canadian football player Philippe Blain (born 1960), French volleyball player and coach Tony Blain (born 1962), New Zealand cricketer Sandra Blain (born 1941) American ceramicist Ser'Darius Blain (born 1987), American actor Willy Blain (born 1978), French boxer
See also Blaine (surname) Blanes (surname) Blane, a surname Blain, fictional character in the 1987 film Predator