| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Andy Harris | 1 | |
| Andy Hutchinson | 1 | |
| Andy Kirkpatrick | 1 | |
| Andy Long | 1 | |
| Andy Moles | 1 |
Andy Moles is a British climbing guide. References |
| Anette Trondsen | 1 | |
| Angela Soper | 1 | |
| Ángel Espinosa | 1 | |
| Angelo Dimai | 1 | |
| Ang Nyima | 1 | |
| Aniek Lith | 1 | |
| Anika Deubler | 1 | |
| Anna Healy | 1 | |
| Anna Moutney | 1 | |
| Anna Trybis | 1 | |
| Anne-grete Nebell | 1 | |
| Anne Marie Ormbostad | 1 | |
| Anthony Chertudi | 1 | |
| Antoine de Ville | 1 | |
| Antonin Rhodes | 1 |