| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Leon Joyce | 4 | |
| Leven Rowan | 4 | |
| Lewis Roy | 4 | |
| Loïc Le Denmat | 4 | |
| Lorenzo Bogliacino | 4 | |
| Lor Sabourin | 4 | |
| Louis Lancaster | 4 | |
| Lucas Ménégatti | 4 | |
| Lukas Mayerhofer | 4 | |
| Maël Musson | 4 | |
| Manuel Marquès | 4 | One of the most prolific developers of bouldering in Fontainebleau, Manu has made over 1400 first ascents up to 8B, including classics such as Vague Patatras (8A), Miséricorde (7C+) and La Reine Des Bois (7C). |
| Mar Álvarez | 4 | |
| Marco Sappa | 4 | |
| Marco Zanone | 4 | |
| Mark Heal | 4 | |
| Mark Rankine | 4 | |
| Martin Skaar Olslund | 4 | |
| Matt Cousins | 4 | |
| Matthias Trottmann | 4 | |
| Matt Pickles | 4 |