John Breen
John Breen may refer to:
- John Breen, actor in the film Untraceable
- John Breen , Australian politician
- John Breen, Irish playwright
- John Breen , senior officer in the Royal Air Force
- John Breen , British Japanologist
- John W. Breen, American football coach and executive
- John Breen , Irish soldier who fought in the American Civil War
- John Breen, Irish Labour party politician