| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Alain Ghersen | 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 | |
| Alex Sharpe | 1 | |
| Alison Cowley | 1 | |
| Alison Monks | 1 | |
| Allen Steck | 1 | References[1] https://www.climbing.com/people/a-climber-we-lost-allen-steck/ |
| Ally Coull | 1 | |
| Al Murray | 1 | |
| Al Williams | 1 | |
| Aly Robertson | 1 | |
| Amanda Lyons | 1 | |
| Amber Thornton | 1 |