| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Mark Hammill | 1 | |
| Mark Hundleby | 1 | |
| Mark Klemens | 1 | |
| Mark Lynden | 1 | |
| Mark McGivern | 1 | |
| Mark McQuade | 1 | |
| Mark Moorhead | 1 |
Australian rock climber and mountaineer. One of the original Arapiles 1980s 'dole climbers' responsible for some of the hardest routes in Australia before his death on Makalu. References |
| Marko Kauko | 1 | |
| Marko Lukic | 1 | |
| Mark Radtke | 1 | |
| Mark Savage | 1 | |
| Mark Synnott | 1 | |
| Mark Turnbull | 1 | |
| Markus Bülow-Berntzen | 1 | |
| Markus Gillberg | 1 | |
| Markus Lehtonen | 1 | |
| Martina Čufar | 1 |
References[1] http://onceuponaclimb.co.uk/portfolio-posts/martinacufarinterview-2-2/ |
| Martin Corbett | 1 | |
| Martin Lund | 1 | |
| Martin Moser | 1 |