John Halsey (born 23 February 1945) is a rock drummer, best known for his appearance in the television film All You Need is Cash (1978) as Barrington Womble ("Barry Wom") of The Rutles. Previous to this he had played with fellow future Rutle Neil Innes's band Fatso and appeared with them in the BBC Television comedy series, Rutland Weekend Television, fronted by a third Rutle, Eric Idle.