| Name ▲ | Type | CR | Version | Book |
|---|---|---|---|---|
| The Wretched | Monstrosity | 1/4 | 2014 | Mordenkainen's Tome of Foes |
| Themberchaud | Dragon | 17 | 2014 | Out of the Abyss |
| Theran Chimera | Monstrosity | 7 | 2014 | Mythic Odysseys of Theros |
| Therzt | Humanoid | 0 | 2014 | Tales from the Yawning Portal: Against the Giants |
| Thessalar | Humanoid | 12 | 2014 | Infernal Machine Rebuild |
| Thessalar's Homunculus | Construct | 0 | 2014 | Infernal Machine Rebuild |
| Thessalheart Construct | Construct | 0 | 2014 | Infernal Machine Rebuild |
| Thessalhydra | Monstrosity | 4 | 2014 | Hunt for the Thessalhydra |
| Thessalkraken | Monstrosity | 14 | 2014 | Infernal Machine Rebuild |
| Thinnings | Fey | 1 | 2014 | The Wild Beyond the Witchlight |