Ordered by the number of ascents recorded.
| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Joel Brady | 1 | |
| Joe Meiners | 1 | |
| Joe Paulus | 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 Terravecchia | 1 | |
| Joe Walmsley | 1 | |
| Joe Wilson | 1 | |
| Johan Gyllensvärd | 1 | |
| John Amatt | 1 | |
| John Atkinson | 1 |
Lakeland shepherd and cooper credited with the first recorded recreational rock climb (in an upward direction) in England, in 1826 with his solo ascent of Pillar Rock via the 150m Old West Route (M). |
| John Barker | 1 | |
| John Bradbury | 1 | |
| John Codling | 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 Galloway | 1 | |
| John Hadfield | 1 | |
| John Hammer | 1 | |
| John Harlin | 1 |
References[1] Mountain 18 (1971), page 31 /library/9613/mountain-18 |