John or Jack Keller may refer to: John Keller (basketball) (1928–2000), American basketball player Jack Keller (basketball) (1922–2012), American basketball player John Keller (boxer), (1910-1980), American Olympic boxer John Keller (handballer), (born 1965), American Olympic handballer John M. Keller (born 1938), American educational psychologist Jack Keller (hurdler) (1911–1978), American Olympic hurdler Jack Keller (artist) (1922–2003), Marvel Comics artist Jack Keller (poker player) (1942–2003), American poker player Jack Keller (songwriter) (1936–2005), American composer, songwriter and record producer