| Den Norske Turistforening | Norwegian Mountain Touring Association |
| Denain | Denain |
| Denar | Macedonian denar |
| Denderhautem | Denderhoutem |
| Denderleeuw | Denderleeuw |
| Dendre | Dender |
| Dendrelaphis | Dendrelaphis |
| Dendrimère | Dendrimer |
| dendritique | dendritic |
| Dendroaspis angusticeps | Eastern green mamba |
| Dendroaspis viridis | Western green mamba |
| Dendrobate à tapirer | Dendrobates tinctorius |
| Dendrobates | Dendrobates |
| Dendrobates auratus | Green and Black Poison Dart Frog |
| Dendrobates azureus | Dendrobates azureus |
| Dendrobates histrionicus | Harlequin Poison Frog |
| Dendrobates imitator | Imitator Poison-dart Frog |
| Dendrobates leucomelas | Yellow-banded Poison Dart |
| Dendrobates pumilio | Strawberry Poison-dart Frog |
| Dendrobatidae | Poison dart frog |
| dendrochronologie | dendrochronology |
| Dendrocnide moroides | Dendrocnide moroides |
| Dendrocopos | Dendrocopos |
| Dendrocygne fauve | Fulvous Whistling Duck |
| Dendrocygne siffleur | Lesser Whistling Duck |
| Dendrocygne tacheté | Spotted Whistling Duck |
| Dendrocygne veuf | White-faced Whistling Duck |
| Dendrocygne à bec noir | Black-billed Whistling Duck |
| Dendrocygne à bec rouge | Black-bellied Whistling Duck |
| Dendrocygne à dos blanc | White-backed Duck |
| Dendrocygne à lunules | Wandering Whistling Duck |
| Dendrocygninae | Dendrocygninae |
| Dendrogale | Dendrogale |
| Dendroica | Dendroica |
| Dendrolagus | Tree-kangaroo |
| Dendrolagus inustus | Grizzled Tree-kangaroo |
| Dendrolagus mbaiso | Dingiso |
| Dendrolagus ursinus | Ursine Tree-kangaroo |
| dendrologie | dendrology |
