| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Tony Puppo | 1 |
Early developer of Bishop bouldering. Proprietor of Rubber Room resoles in Bishop |
| Tony Streather | 1 | |
| Trent Searcy | 1 | |
| Trevor Dunbar | 1 | |
| Trevor Jones | 1 | |
| Trevor Messiah | 1 | |
| Trevor Pearce | 1 | |
| Tripp Ashley | 1 | |
| Tristan Baills | 1 | |
| Tristan Ladevant | 1 | |
| Truls Mikaelsen | 1 | |
| Tuomas Koski | 1 | |
| Tyler Willcutt | 1 | |
| Ty Weinstein | 1 | |
| Ueli Steck | 1 | |
| Ugo Tizzoni | 1 | |
| Urban Dufva | 1 | |
| Urh Čehovin | 1 | |
| Urs Moosmuller | 1 | |
| Václav Šatava | 1 |