| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Joe Dravitzki | 1 | |
| Joe Fitschen | 1 | |
| Joel Brady | 1 | |
| Joe Meiners | 1 | |
| Joe Simpson | 1 |
References[1] Simpson, Joe., Colwell, Tony. Touching the Void. Ireland: BookBaby, 2012. [2] Simpson, Joe. This Game of Ghosts. United Kingdom: Vintage, 1994. [3] Simpson, Joe. Dark Shadows Falling. United Kingdom: Vintage, 1998. [4] Simpson, Joe. The Beckoning Silence. United States: Mountaineers Books, 2003. |
| Joe Walmsley | 1 | |
| Joe Wilson | 1 | |
| John Amatt | 1 | |
| John Barker | 1 | |
| John Bradbury | 1 | |
| John Cohee | 1 | |
| John Eastham | 1 | |
| John Ewbank | 1 |
Inventor of the Ewbank grading system which is used in Australia, New Zealand and South Africa.
References[1] http://www.supertopo.com/climbing/thread.php?topic_id=2292864&tn=0 |
| John Hadfield | 1 | |
| John Hammer | 1 | |
| John Harlin | 1 |
References[1] Mountain 18 (1971), page 31 /library/9613/mountain-18 |
| John Kettle | 1 | |
| John Kingston | 1 | |
| John Maskell | 1 | |
| John Orr | 1 |