| Name | Map Tool Token Link | Family | Type | Size | CR |
|---|---|---|---|---|---|
| Dark Naga | |
Naga | Aberration | Large | 8 |
| Darkmantle | |
Darkmantle | Magical Beast | Small | 1 |
| Darktentacles | |
Darktentacles | Aberration | Large | 7 |
| Death Slaad | |
Slaad | Outsider | Medium | 13 |
| Deathbringer | |
Deathbringer | Undead | Large | 17 |
| Deinonychus | |
Dinosaur | Animal | Large | 3 |
| Delver | |
Delver | Aberration | Huge | 9 |
| Demilich | |
Demilich | Undead | Diminutive | 29 |
| Derro | |
Derro | Monstrous Humanoid | Small | 3 |
| Desmodu | |
Desmodu | Monstrous Humanoid | Large | 9 |
| Destrachan | |
Destrachan | Aberration | Large | 8 |
| Devastation Beetle | |
Devastation Vermin | Vermin | Colossal | 50 |
| Devastation Centipede | |
Devastation Vermin | Vermin | Colossal | 39 |
| Devastation Scorpion | |
Devastation Vermin | Vermin | Colossal | 42 |
| Devastation Spider | |
Devastation Vermin | Vermin | Colossal | 41 |
| Devourer | |
Devourer | Undead | Large | 11 |
| Digester | |
Digester | Magical Beast | Medium | 6 |
| Displacer Beast | |
Displacer Beast | Magical Beast | Large | 4 |
| Displacer Beast Pack Lord | |
Displacer Beast | Magical Beast | Huge | 12 |
| Djinni | |
Genie | Outsider | Large | 5 (noble 8) |
| Dog | |
Dog | Animal | Small | 1/3 |
| Riding Dog | |
Dog, Riding | Animal | Medium | 1 |
| Donkey | |
Donkey | Animal | Medium | 1/6 |
| Doppelganger | |
Doppelganger | Monstrous Humanoid | Medium | 3 |
| Dragon Turtle | |
Dragon Turtle | Dragon | Huge | 9 |
| Dragonflesh Golem | |
Golem | Construct | Large | 13 |
| Dragonne | |
Dragonne | Magical Beast | Large | 7 |
| Dread Guard | |
Dread Guard | Construct | Medium | 3 |
| Dread Linnorm | |
Linnorm | Dragon | Colossal | 25 |
| Dread Wraith | |
Wraith | Undead | Large | 11 |
| Dream Larva | |
Abomination | Outsider | Large | 31 |
| Dretch | |
Demon | Outsider | Small | 2 |
| Drider | |
Drider | Aberration | Large | 7 |
| 1st-Level Warrior Dromite | |
Dromite | Monstrous Humanoid | Small | 1/2 |
| 1st-Level Warrior Drow | |
Elf | Humanoid | Medium | 1 (see text) |
| Dryad | |
Dryad | Fey | Medium | 3 |
| 1st-Level Warrior Duergar | |
Dwarf | Humanoid | Medium | 1 |
| Dune Stalker | |
Dune Stalker | Outsider | Medium | 9 |
| Dust Twister | |
Dust Twister | Elemental | Medium | 3 |
| 1st-Level Warrior Dwarf | |
Dwarf | Humanoid | Medium | 1 |