| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Henry Henderson | 2 | |
| Holly Murray | 2 | |
| Houkka Timo | 2 | |
| Howard Lancashire | 2 | |
| Hugh Burton | 2 |
Vancouver/Squamish bred 1970s Yosemite and Bugaboos pioneer. |
| Hugh Herr | 2 | |
| Ian Carr | 2 | |
| Ian Clough | 2 |
Ian was killed when a serac collapsed just below camp 2 on Annapurna.
References[1] Obituary by Chris Bonington Mountain 11 (1970), page 10 [2] https://himalayan-database.climbing-history.org/expedition/ANN170101/1970 |
| Ian Dory | 2 | |
| Ian Dunn | 2 | |
| Iban Larrión | 2 | |
| Ida Marie Høiaas | 2 | |
| Ida-Sofie Pettersen | 2 | |
| Ilian Audoin | 2 | |
| Inaba Oriya | 2 | |
| Isamu Kawabata | 2 | |
| Itai Axelrad | 2 | |
| Iva Ondra | 2 | |
| Jack Longland | 2 |
References[1] https://www.climber.co.uk/outdoor/jack-longland-the-accidental-hero/ |
| Jacquie Des Rosiers | 2 |