| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Mirit Heyden | 1 | |
| Mito Shimokawa | 1 | |
| Mizuki Tajima | 1 | |
| Molly Hymes | 1 | |
| Molly Mitchell | 1 | |
| Monique Forestier | 1 | |
| Morley Wood | 1 | |
| Morty Smith | 1 | |
| Motofumi Nagao | 1 | |
| M. Owen | 1 | |
| Murray Hamilton | 1 | |
| Nadine Wallner | 1 | |
| Näilé Meignan | 1 | |
| Naoki Komine | 1 | |
| Naomi Cokell | 1 | |
| Nao Monchois | 1 | |
| Nasser Muñumer | 1 | |
| Natalie Jordan-Rogers | 1 | |
| Natalija Gros | 1 | |
| Nat Bailey | 1 |