John O'Mahony
John O'Mahony is the name of the following people:
- John O'Mahony (politician) (born 1953), Irish politician (Fine Gael) and Gaelic football official
- John O'Mahony (actor) , Caucasian-British actor
- John O'Mahony (producer) , Irish music producer
- John Francis O'Mahony (1816–1877), American scholar and officer of Irish descent
See also:
