| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Kirstin Yurdin | 0 | |
| Kodai Yamada | 0 | |
| Krystal Wright | 0 | |
| Larry Dalke | 0 | |
| Larry Kemp | 0 | |
| Laurence Goualt | 0 | |
| Laurence Guyon | 0 | |
| Lauren DeLaunay Miller | 0 | |
| Laurent Belluard | 0 | |
| Lee Cujes | 0 | |
| Lee Hansche | 0 |
References |
| Leici Hendrix | 0 | |
| Leif Gasch | 0 | |
| Lena Drapella | 0 |
References[1] https://www.ukclimbing.com/articles/in_focus/lena_drapella-16833 |
| Leo Hermacinski | 0 | |
| Leonard Birkett | 0 | |
| Leonard Daughenbaugh | 0 |
References[1] https://www.legacy.com/us/obituaries/inyoregister/name/leonard-daughenbaugh-obituary?id=36585960 [2] https://mra.org/wp-content/uploads/2016/05/fieldteamleadership.pdf |
| Les Holliwell | 0 |
Londoner, south east sandstone and North Wales activist of the late 1960s. |
| Lewis Perrin-williams | 0 | |
| Libby Sauter | 0 |