John Nunn (born 1955) is an English chess grandmaster.
John Nunn may also refer to:
- John Nunn (sailor) (1803–1860), English sailor and author
- John Nunn (rower) (born 1942), American Olympic rower
- John Nunn (racewalker) (born 1978), American Olympic race walker
- John Nunn (RAF officer) (1919–2013), British Royal Air Force officer, mathematician, and politician
- John Nunn (cricketer) (1906–1987), English cricketer
- John F. Nunn, dean of the Royal College of Anaesthetists, 1979–1982
If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: