Jack Ruby (1911–1967) was an American nightclub owner who killed Lee Harvey Oswald.
Jack Ruby may also refer to:
Jack Ruby (music producer) (1943–1989), Jamaican record producer and sound system operator Jack Ruby (band), American rock band "Jack Ruby", song by Camper Van Beethoven from the album Key Lime Pie (album) "Jack Ruby", song by Deep Purple from the album Abandon (album)
See also
Jack Ruby Shoots Lee Harvey Oswald, photograph taken in 1963 Ruby (1992 film), a film about Jack Ruby