John Creighton
John Creighton may refer to:
- John Oliver Creighton, American astronaut
- John W. Creighton Jr., American businessman
- John Creighton, 1st Earl Erne, Irish peer
- John Creighton (British Army officer), son of the preceding, MP for Lifford
- John Creighton, American naval officer involved in the Little Belt affair in 1811
- John Creighton (archaeologist), British archaeologist
- John Creighton (judge), lawyer and judge in Nova Scotia
- John Creighton (warden), merchant, politician and prison official in Ontario, Canada
- John Creighton (Nova Scotia politician), lawyer and politician in Nova Scotia, Canada
- John A. Creighton, businessman in Omaha, Nebraska
- John Creighton (rugby union), New Zealand rugby union player
- John Creighton (surgeon), president of the Royal College of Surgeons in Ireland
- John Creighton (priest), Chancellor of Christ Church Cathedral and Dean of Ferns