Kiner is a surname. Notable people with the surname include:
Aline Kiner (1959–2019), French journalist and writer Corey Kiner (born 2002), American football player David Kiner, American politician Harold G. Kiner (1924–1944), United States Army soldier and Medal of Honor recipient Helen Kiner McCarthy (1884–1927), American painter Isiah Kiner-Falefa (born 1995), American baseball player Kevin Kiner (born 1958), American film and television composer Ralph Kiner (1922–2014), American baseball player Steve Kiner (1947–2025), American football player
See also Kiner's Korner, American pre- and postgame baseball interview show hosted by Ralph Kiner on WOR-TV Kiner Music, American composing duo consisting of Kevin Kiner's children Deana and Sean Kiner