James Mullen
James, Jim or Jimmy Mullen may refer to:
- James Mullen (CEO), president and CEO of Biogen Idec
- James T. Mullen, Supreme Knight of the Knights of Columbus
- Jim Mullen, Scottish guitarist
- Jim Mullen (businessman), British businessman, CEO of Ladbrokes
- Jimmy Mullen (footballer, born 1921), Northern Irish footballer, Inside Forward for Barrow, Crystal Palace and Bristol City
- Jimmy Mullen (footballer, born 1923), English international football player for Wolverhampton Wanderers
- Jimmy Mullen (footballer, born 1947), English football player for Rotherham United
- Jimmy Mullen (footballer, born 1952), former Sheffield Wednesday & Cardiff City player; former manager of Blackpool, Burnley & Walsall
- Jimmy Mullen (golfer), English golfer
- Jimmy Mullen (River City), fictional character in Scottish soap opera