John Larsen
John Larsen may refer to:
- John Larsen (sport shooter, born 1913) (1913–1989), Norwegian rifle shooter and Olympic gold medalist
- John H. Larsen Jr. (born 1943), Norwegian sports shooter, son of the Olympic medalist
- John Larsen (footballer) (born 1962), Danish former footballer
- John Larsen (rower) (born 1943), Canadian Olympic rower