| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Aitor Bárez | 1 | |
| Aj Flynn | 1 | |
| Ako Shillitoe | 1 | |
| Aleksandra Taistra | 1 | |
| Aleksej Jaruta | 1 | |
| Aleš Česen | 1 | |
| Alessandro Manini | 1 | |
| Alex Adler | 1 | |
| Alexander Feichter | 1 | |
| Alex Biale | 1 | |
| Alexis Allayaud | 1 | |
| Alex Mcintyre | 1 | |
| Al Harris | 1 | |
| Alison Cowley | 1 | |
| Alison Monks | 1 | |
| Allen Williams | 1 | |
| Ally Coull | 1 | |
| Al Murray | 1 | |
| Aly Robertson | 1 | |
| Amanda Lyons | 1 |