SRD & OGL creatures — full stat blocks. Each entry links its source.
| Name | Type | Size | CR | Source |
|---|---|---|---|---|
| Mineral Ooze | Ooze | Large | 3 | Tome of Beasts 2 |
| Minor Malleable | Aberration | Medium | 1 | Tome of Beasts 2 |
| Minotaur | Monstrosity | large | 3 | Black Flag SRD |
| Minotaur | Monstrosity | Large | 3 | 5e Core Rules |
| Minotaur | Monstrosity | Large | 4 | Level Up Advanced 5e Monstrous Menagerie |
| Minotaur Champion | Monstrosity | Huge | 16 | Level Up Advanced 5e Monstrous Menagerie |
| Minotaur Skeleton | Undead | Large | 2 | 5e Core Rules |
| Minotaur Skeleton | Undead | large | 2 | Black Flag SRD |
| Minotaur, Ravening | Monstrosity | Large | 3 | Tome of Beasts 3 |
| Minstrel | Humanoid | Medium | 2 | Level Up Advanced 5e Monstrous Menagerie |
| Mirage Monster | Monstrosity | Huge | 4 | Level Up Advanced 5e Monstrous Menagerie |
| Mirager | Fey | Medium | 3 | Tome of Beasts |
| Mirager | Fey | Medium | 3 | Tome of Beasts 2023 |
| Mire Fiend | Fiend | medium | 5 | Black Flag SRD |
| Miremal | Fey | Small | 1/2 | Tome of Beasts |
| Miremal | Fey | Small | 1/2 | Tome of Beasts 2023 |
| Miremuck Goblin King | Humanoid | Medium | 3 | Level Up Advanced 5e Monstrous Menagerie |
| Mirror Hag | Fey | Medium | 6 | Tome of Beasts |
| Mirror Hag | Fey | Medium | 6 | Tome of Beasts 2023 |
| Mithral Dragon Wyrmling | Dragon | Medium | 1 | Tome of Beasts 2023 |
| Mngwa | Aberration | Medium | 4 | Tome of Beasts |
| Mngwa | Aberration | Medium | 4 | Tome of Beasts 2023 |
| Moderate Malleable | Aberration | Large | 5 | Tome of Beasts 2 |
| Mold Zombie | Undead | Medium | 3 | Creature Codex |
| Monarch Skeleton | Undead | Medium | 9 | Creature Codex |
| Monkey King | Celestial | Medium | 21 | Creature Codex |
| Monkey'S Bane Vine | Plant | Large | 4 | Tome of Beasts 3 |
| Moon Drake | Dragon | Medium | 5 | Creature Codex |
| Moon Nymph | Aberration | Medium | 8 | Creature Codex |
| Moonchild Naga | Monstrosity | Large | 6 | Creature Codex |
| Moonkite | Celestial | Large | 5 | Tome of Beasts 2 |
| Moonless Hunter | Fey | Medium | 4 | Tome of Beasts 3 |
| Moonlit King | Fey | Medium | 17 | Tome of Beasts 2023 |
| Moonweb | Aberration | Medium | 6 | Tome of Beasts 3 |
| Mordant Snare | Aberration | Gargantuan | 15 | Tome of Beasts |
| Mordant Snare | Aberration | Gargantuan | 15 | Tome of Beasts 2023 |
| Mordovermis | Aberration | large | 3 | Black Flag SRD |
| Morko | Fey | Small | 1/4 | Creature Codex |
| Morphoi | Plant | Medium | 1/2 | Tome of Beasts 2023 |
| Morphoi | Plant | Medium | 1/2 | Tome of Beasts |
| Mortifera | Aberration | Large | 6 | Tome of Beasts 3 |
| Moss Lurker | Humanoid | Small | 1 | Tome of Beasts |
| Construct |
| Large |
| 8 |
| Tome of Beasts 2023 |
| Construct |
| Large |
| 8 |
| Tome of Beasts |
| Construct |
| Large |
| 3 |
| Tome of Beasts |
| Construct |
| Large |
| 3 |
| Tome of Beasts 2023 |
| Beast |
| Small |
| 1/2 |
| Tome of Beasts 3 |
| Construct |
| Tiny |
| 1 |
| Tome of Beasts 3 |