John McMahon
John McMahon is the name of the following people:
- John McMahon (actor) , actor
- John McMahon (football official) (around 1920-2006), Canadian football official
- John McMahon (soccer player) (born 1949), English soccer player
- John A. McMahon (1833-1923), American politician
- John Joseph McMahon (1875–1932), American clergyman, Bishop of Trenton
