John Mahon

John Mahon may refer to:

• John Mahon (baseball), baseball owner and politician
• John Mahon (composer) (c. 1748–1834), a musician and composer
• John Mahon (footballer)
• John Mahon (percussionist)
• John K. Mahon, historian

See also

• Johnny Mahon (disambiguation)
• Jack Mahon (disambiguation)