| Name | CR | Type | Environment |
| Zana | 14 | fey | any mountains |
| Zarxorin | 19 | outsider (earth, elemental, extraplanar) | any hills or underground (Plane of Earth) |
| Zealot Wraith | 7 | undead (incorporeal) | any |
| Zentragt | 4 | outsider (chaotic, extraplanar) | any (Elysium) |
| Zephyr | 12 | fey (air, shapechanger) | any |
| Zhen Worm | 1/2 | vermin | warm swamps |
| Zhyen | 1/2 | outsider (air, earth, fire, or water) | any desert or elemental plane |
| Zombie, Apocalypse Zombie | 2 | undead | any |
| Zombie, Giant Zombie | 8 | undead | any warm |
| Zombie, Human Zombie | 1/2 | undead | any |
| Zombie, Juju Zombie | 2 | undead (augmented human) | any land |
| Zombie, Sunbaked Zombie | 1 | undead | any warm |
| Zombie, Zombie Lord | 3 | undead | any |
| Zombie, Zombie Wolf | 1 | undead | cold or temperate forests |
| Zomok | 16 | plant (extraplanar) | any forests (primal land of fey) |
| Zoog | 1 | magical beast | any forest |
| Zuvembie | 4 | undead | any land |
| Zygomind | 18 | plant | any temperate |