| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Dawson Shepherd | 1 | |
| Dean Caldwell | 1 | No relation to Tommy Caldwell. |
| Debbie Corbett | 1 | |
| Delaney Miller | 1 | |
| Derek Southward | 1 | |
| Derek Thatcher | 1 | |
| D. Hughes | 1 | |
| Dick Cilley | 1 | Legendary west coast US boulderer, top-roper, and raconteur.
References[1] http://www.supertopo.com/climbing/thread.php?topic_id=150092&tn=0Dick [2] personal communication. |
| Diego Marsella | 1 | |
| Dimitri Vogt | 1 | |
| Dinara Fakhritdinova | 1 | |
| Dmitry Fakiryanov | 1 | |
| Dominik Bösch | 1 | |
| Dom Rowe | 1 | |
| Dom Speranza | 1 | |
| Don Lauria | 1 | |
| Doug Englekirk | 1 | |
| Doug Kerr | 1 | |
| Doug Shaw | 1 | |
| D. Paterson | 1 |