| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Keisuke Mizuno | 2 | |
| Keith Darbyshire | 2 | |
| Kerry Scott | 2 | |
| Kim Schmitz | 2 |
Yosemite big wall pioneer, Himalayan mountaineer and guide. References[1] https://adventuresportsjournal.com/kim-schmitz-yosemite-climbing-legend/ |
| Kirsten Taylor | 2 | |
| Kit Mcmean | 2 | |
| Kitty Wallace | 2 | |
| Koon Morris | 2 | |
| Kristóf Modrián | 2 | |
| Kuutti Huhtikorpi | 2 | |
| Kyle Hilton | 2 | |
| Kyle Whitehand | 2 | |
| Lasse von Freier | 2 | |
| Laurie Holliwell | 2 |
Londoner, south east sandstone and North Wales activist of the late 1960s/early 1970s. Holliwell mainly took the lead climbing with his brother Les. Responsible for a number of new routes particularly on Gogarth and Llech Ddu. Holliwell died in an abseiling accident on Craig yr Ysfa in 1973. References |
| Lawrence Dermody | 2 | |
| Lee Sheftel | 2 |
Climbing 5.13 into his 70s! References[1] https://www.climbing.com/news/lee-sheftel-59-climbs-5-14/ |
| Len Millsom | 2 |
Sheffield based member of the Alpha club, active on Gritstone and peak limestone in the early 1960s. References[1] https://smhccg.org/rock-climbing/medusa/ [2] https://footlesscrow.blogspot.com/2012/08/steve-dean-reviews-alpha-males-story-of.html |
| Liam Desroy | 2 | |
| Liam Hutchinson | 2 | |
| Lisa Alhadeff | 2 |