| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Michael Bleazard | 1 | |
| Michael Garton | 1 | |
| Michał Korban | 1 | |
| Michal Mikušínec | 1 | |
| Michel-Gabriel Paccard | 1 | 1757–1827. Paccard was resident in the chamonix area, then part of the Kingdom of Sardinia. |
| Michelle Greenall | 1 | |
| Michelle O'Loughlin | 1 | |
| Michelle Wardle | 1 | |
| Mickael Mawem | 1 | |
| Mike Goldthorp | 1 | |
| Mike Grey | 1 | |
| Mike McClure | 1 | |
| Mike McCracken | 1 | |
| Mike Pacaro | 1 | |
| Mike Paul | 1 | References[1] https://www.climbing.com/people/tried-solo-swan-slab-yosemite-night/ |
| Mike Raine | 1 | |
| Mike Williams | 1 | |
| Milan Sykora | 1 | |
| Milena Muhlen | 1 | |
| Miles Adamson | 1 |