Oliver Eaton Cromwell Jr. (1892–1987), widely known as Tony Cromwell, was an American mountain climber who made many first ascents in the Canadian Rockies and was a member of the 1939 American Karakoram expedition to K2.
- Occupation
- mountaineer
- Citizenship
- United States
- Born
- 1892
- Died
- 1987, February 14, 1987
