| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Gianni Rusconi | 0 | |
| Gib Lewis | 0 | |
| Ginger Cain | 0 | |
| Gioachino Gobbi | 0 | References[1] https://www.planetmountain.com/en/news/alpinism/farewell-gioachino-gobbi-grand-grivel-president.html [2] https://aostasera.it/rubriche/en-souvenir/e-morto-limprenditore-gioachino-gobbi/ |
| Glen Denny | 0 | Glen Denny was an American climber and photographer, best known for his involvement in the early development of Yosemite with first ascents of iconic routes such as Astroman and early repeats such as the third ascent of The Nose. References[1] https://gripped.com/profiles/legendary-yosemite-climber-and-photographer-glen-denny-has-died/ |
| Glenn Robbins | 0 | |
| Gordon Stainforth | 0 | References |
| Grace Hoeman | 0 | |
| Graham Desroy | 0 | The nickname Streaky comes from his time training on the Leeds wall where he would climb without chalk, leaving the holds streaky with sweat. |
| Graham Tiso | 0 | |
| Graham Zimmerman | 0 | |
| Grant Farquhar | 0 | |
| Greg Loh | 0 | |
| Greg Lowe | 0 | |
| Gregor Vezonik | 0 | |
| Günter Dyhrenfurth | 0 | |
| Günther Messner | 0 | Günther died while descending the Diamir Face on Nanga Parbat with his brother Reinhold Messner after making a successful ascent of the Rupal Face. |
| Guy McNamee | 0 | |
| Guy Poulet | 0 | |
| Guy van Guering | 0 |