| Dire wolf | 1 | Beast | Large | 14 | 37 | | unaligned | | Monster Manual (SRD) | 17 | 15 | 15 | 3 | 12 | 7 |
| Displacer beast | 3 | Monstrosity | Large | 13 | 85 | | lawful evil | | Monster Manual | | | | | | |
| Diviner | 8 | Humanoid (any race) | Medium | 12 | 67 | | any alignment | | Volo's Guide to Monsters | | | | | | |
| Djinni | 11 | Elemental | Large | 17 | 161 | fly | chaotic good | | Monster Manual (SRD) | 21 | 15 | 22 | 15 | 16 | 20 |
| Dolphin | 0.12 | Beast | Medium | 12 | 11 | swim | unaligned | | Volo's Guide to Monsters | 14 | 13 | 13 | 6 | 12 | 7 |
| Doppelganger | 3 | Monstrosity (shapechanger) | Medium | 14 | 52 | | neutral | | Monster Manual (SRD) | 11 | 18 | 14 | 11 | 12 | 14 |
| Draegloth | 7 | Fiend (demon) | Large | 15 | 123 | | chaotic evil | | Volo's Guide to Monsters | | | | | | |
| Draft horse | 0.25 | Beast | Large | 10 | 19 | | unaligned | | Monster Manual (SRD) | 18 | 10 | 12 | 2 | 11 | 7 |
| Dragon turtle | 17 | Dragon | Gargantuan | 20 | 341 | swim | neutral | | Monster Manual (SRD) | 25 | 10 | 20 | 10 | 12 | 12 |
| Dragonbait | 5 | Humanoid (saurial) | Medium | 17 | 120 | | lawful good | | Adventures (Tomb of Annihilation) | | | | | | |
| Dretch | 0.25 | Fiend (demon) | Small | 11 | 18 | | chaotic evil | | Monster Manual (SRD) | 11 | 11 | 12 | 5 | 8 | 3 |
| Drider | 6 | Monstrosity | Large | 19 | 123 | | chaotic evil | | Monster Manual (SRD) | 16 | 16 | 18 | 13 | 14 | 12 |
| Drow | 0.25 | Humanoid (elf) | Medium | 15 | 13 | | neutral evil | | Monster Manual (SRD) | 10 | 14 | 10 | 11 | 11 | 12 |
| Drow arachnomancer | 13 | Humanoid (elf) | Medium | 15 | 162 | | chaotic evil | | Mordenkainen's Tome of Foes | | | | | | |
| Drow elite warrior | 5 | Humanoid (elf) | Medium | 18 | 71 | | neutral evil | | Monster Manual | | | | | | |
| Drow favored consort | 18 | Humanoid (elf) | Medium | 15 | 225 | | neutral evil | | Mordenkainen's Tome of Foes | | | | | | |
| Drow house captain | 9 | Humanoid (elf) | Medium | 16 | 162 | | neutral evil | | Mordenkainen's Tome of Foes | 14 | 19 | 15 | 12 | 14 | 13 |
| Drow inquisitor | 14 | Humanoid (elf) | Medium | 16 | 143 | | neutral evil | | Mordenkainen's Tome of Foes | 11 | 15 | 14 | 16 | 21 | 20 |
| Drow mage | 7 | Humanoid (elf) | Medium | 12 | 45 | | neutral evil | | Monster Manual (BR) | 9 | 14 | 10 | 17 | 13 | 12 |
| Drow matron mother | 20 | Humanoid (elf) | Medium | 17 | 262 | | neutral evil | | Mordenkainen's Tome of Foes | | | | | | |
| Drow priestress of lolth | 8 | Humanoid (elf) | Medium | 16 | 71 | | neutral evil | | Monster Manual | | | | | | |
| Drow shadowblade | 11 | Humanoid (elf) | Medium | 17 | 150 | | neutral evil | | Mordenkainen's Tome of Foes | | | | | | |
| Druid | 2 | Humanoid (any race) | Medium | 11 | 27 | | any alignment | | Monster Manual (SRD) | 10 | 12 | 13 | 12 | 15 | 11 |
| Dryad | 1 | Fey | Medium | 11 | 22 | | neutral | | Monster Manual (SRD) | 10 | 12 | 11 | 14 | 15 | 18 |
| Duergar | 1 | Humanoid (dwarf) | Medium | 16 | 26 | | lawful evil | | Monster Manual (SRD) | 14 | 11 | 14 | 11 | 10 | 9 |