John Dunning
John Dunning may refer to:
- John Dunning (businessman), British businessman, founder of Westmorland Motorway Services
- John Dunning (detective fiction author), American writer of detective fiction
- John Dunning (true crime author), true crime author
- John Dunning (snooker player), English professional snooker player
- John Harry Dunning, British economist
- John Dunning (film editor), American film editor
- John Dunning (film producer), Canadian film producer
- John R. Dunning, American physicist
- Jack Dunning, New Zealand Test cricketer
- John Dunning, 1st Baron Ashburton, English lawyer and politician
- John Dunning (volleyball), American volleyball coach