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 player Philippe Blain, French volleyball player and coach Tony Blain, New Zealand cricketer Sandra Blain American ceramicist Ser'Darius Blain, American actor Willy Blain, French boxer