John Kirwan
John Kirwan may refer to:
- John Óge Kirwan, mayor of Galway
- Sir John Kirwan, Irish entrepreneur
- John Kirwan (cricketer), English cricketer
- John Kirwan (politician), Australian politician
- John William Kirwan, president of Queen's College, Galway
- Jack Kirwan , Irish international football player who played for Everton, Tottenham and Chelsea
- Jack Kirwan (rugby league), New Zealand rugby league player
- Sir John Kirwan (rugby), New Zealand rugby player and coach, and mental health advocate