Gainer (surname)

Gainer is a surname. Notable people with the name include:

• Aaron Gainer, member of American Christian post-grunge band '12 Stones'
• Alice Gainer (born 1982), American television reporter
• Del Gainer (1886–1947), American baseball player
• Derrick Gainer (American football) (born 1966), American football player
• Derrick Gainer (born 1972), American boxer
• Sir Donald Gainer (1891–1966), British ambassador
• Elmer Gainer (1918–1970), American basketball player
• Forrest Gainer (born 1979), Canadian rugby player
• Frank Gainer (1888–1975), Canadian politician
• Glen Gainer, Jr. (1927–2009), American politician
• Glen Gainer III (born 1960), American politician
• Jay Gainer (born 1966), American baseball player
• John L. Gainer (born 1938), American chemical engineer
• Ronald William Gainer (born 1947), American Catholic priest, appointed Bishop of Harrisburg in 2014
• Steve Gainer, American cinematographer
• Terrance W. Gainer (born 1947), Sergeant at Arms of the United States Senate 2007–14