| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Lis Espin | 2 | |
| Liz Robbins | 2 |
Yosemite climber of the 60s and early 70s. Participated in first and early ascents of big walls in Yosemite. Co-founder of Royal Robbins LLC, outdoor clothing company. References[1] https://www.royalrobbins.com/us/en-us/adventure/about-us/heritage/ [2] Robins, Liz. (2022). First Ascent. in: Valley of Giants ed. DeLaunay Miller, Lauren. United States: Mountaineers Books. |
| Logan Tetu | 2 | |
| Louis Jones | 2 | |
| Louis Leclercq | 2 | |
| Louna Ladevant | 2 | |
| Luca Rinaldi | 2 | |
| Lucie Hrozová | 2 | |
| Luigino Esposito | 2 | |
| Luisa Deubzer | 2 | |
| Lukas Mokrolusky | 2 | |
| Luke Fletcher | 2 | |
| Luke Parady | 2 | |
| Luke Zimmerman | 2 | |
| Manny Quintana | 2 | |
| Mark Anderson | 2 | |
| Mark McGowan | 2 | |
| Mark Stokes | 2 | |
| Marley Farquharson | 2 | |
| Marte Håkenstad Bråten | 2 |