'''Gainey''' is a surname. Notable people with the surname include:
*Anna Gainey (born 1978), Canadian politician *Bob Gainey (born 1953), Canadian ice hockey player *Ed Gainey (born 1970), American politician *Ed Gainey (Canadian football) (born 1990), American gridiron football player *Edward Gainey (born 1956), American politician *Justin Gainey (born 1977), American basketball coach *Kathleen M. Gainey, American army general *M. C. Gainey (born 1948), American actor *Richard Gainey (1890–1975), Australian politician *Sean Gainey, American army general *Steve Gainey (born 1979), Canadian ice hockey player *Tommy Gainey (born 1975), American golfer *Ty Gainey (born 1960), American baseball player *William Gainey (born 1956), American soldier
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