| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Lucija Tarkus | 1 | |
| Lucile Saurel | 1 | |
| Lucy Ellis | 1 | |
| Lucy Stirling | 1 | |
| Ludo Delmotte | 1 | |
| Ludwig Vörg | 1 |
Bavarian mountaineer, first ascentionist of the 1938 Route on the North Face of the Eiger. Killed in action on the first day of Operation Barbarossa, the invasion of Russia. |
| Luka Kranjc | 1 | |
| Lukas Götz | 1 | |
| Luke Eberhard | 1 | |
| Luke Hunt | 1 | |
| Luke Neufeld | 1 |
References |
| Luke Vincent | 1 | |
| Luke Williams | 1 | |
| Lynne Malcom | 1 | |
| Lynn van der Meer | 1 | |
| Mabel Barker | 1 |
Lake District rock climber, academic, and pioneer of outdoor education. Notable for the first female ascent of Central Buttress, Scafell. References[1] https://journals.lwbooks.co.uk/forum/vol-59-issue-3/article-6379/ [2] https://www.mountain-heritage.org/blog/climb-like-a-girl-mabel-barker |
| Mackenzie Warner | 1 | |
| Mads Bülow Duus | 1 | |
| Maggie Odette | 1 | |
| Maho Normand | 1 |