| Name | Map Tool Token Link | Family | Type | Size | CR |
|---|---|---|---|---|---|
| Tarrasque | |
Tarrasque | Magical Beast | Colossal | 20 |
| Tauric Hobgoblin-Griffon | RPTok | Tauric | Monstrous Humanoid | Large | 5 |
| Tayellah | RPTok | Tayellah | Magical Beast | Gargantuan | 24 |
| Tempest | RPTok | Tempest | Elemental | Gargantuan | 16 |
| Temporal Filcher | RPTok | Temporal Filcher | Aberration | Large | 3 |
| Tendriculos | |
Tendriculos | Plant | Huge | 6 |
| Teratomorph | RPTok | Teratomorph | Ooze | Gargantuan | 16 |
| Thoqqua | RPTok | Thoqqua | Elemental | Medium | 2 |
| Thorciasid | RPTok | Thorciasid | Aberration | Medium | 22 |
| Thought Eater | RPTok | Thought Eater | Aberration | Small | 2 |
| Thought Slayer | RPTok | Thought Slayer | Aberration | Huge | 13 |
| Thri-Kreen | RPTok | Thri-Kreen | Monstrous Humanoid | Medium | 1 |
| Tiger | RPTok | Tiger | Animal | Large | 4 |
| Tiny Air Elemental | |
Tiny Elemental | Elemental | Tiny | 1/2 |
| Tiny Earth Elemental | |
Tiny Elemental | Elemental | Tiny | 1/2 |
| Tiny Fire Elemental | |
Tiny Elemental | Elemental | Tiny | 1/2 |
| Tiny Water Elemental | |
Tiny Elemental | Elemental | Tiny | 1/2 |
| Titan | |
Titan | Outsider | Huge | 21 |
| Elder Titan | RPTok | Titan, Elder | Outsider | Colossal | 30 |
| Titanic Toad | RPTok | Titanic | Animal | Gargantuan | 13 |
| Toad | RPTok | Toad | Animal | Diminutive | 1/10 |
| Adult Tojanida | |
Tojanida | Outsider | Medium | 5 |
| Elder Tojanida | |
Tojanida | Outsider | Large | 9 |
| Juvenile Tojanida | |
Tojanida | Outsider | Small | 3 |
| Treant | |
Treant | Plant | Huge | 8 |
| Elder Treant | |
Treant, Elder | Plant | Colossal | 25 |
| Triton | |
Triton | Outsider | Medium | 2 |
| Troglodyte | |
Troglodyte | Humanoid | Medium | 1 |
| Troll | |
Troll | Giant | Large | 5 |
| 6th-Level Ranger Troll Hunter | |
Troll | Giant | Large | 11 |
| Twig Blight | RPTok | Twig Blight | Plant | Small | 1/3 |