Machine Gun Kelly
Machine Gun Kelly, real name George Celino Barnes (1895–1954), was an American gangster.
Machine Gun Kelly may also refer to:
- Machine Gun Kelly (rapper), real name Richard Colson Baker (born 1990), American rapper
- Machine-Gun Kelly (film), 1958 film about the gangster
- Harry "Machine Gun" Kelly (born 1961), American basketball player
- Machinegun Kelly (band), Swedish rock band
- M. G. Kelly, American radio disk jockey