Jack Karnehm
- Born
- 18 June 1917 (85 years old)
- Died
- 28 July 2002
- Place of birth
- Tufnell Park, London, England, UK
- Gender
- Male
Jack Karnehm (18 June 1917 – 28 July 2002) was a British snooker commentator, who was regularly heard on BBC television from 1978 until 1994, and a former amateur world champion at the game of English billiards.
