If you would like to make changes in this table, please use the Report Issue link here
| Theodosius I or Honorius | 379 | 423 | Roman Empire | ||
| Theodosius I or Theodosius II | 379 | 450 | Eastern Roman Empire | ||
| Theodosius II | 402 | 450 | Eastern Roman Empire | ||
| Theodosius II or Leo I | 402 | 474 | Eastern Roman Empire | ||
| Theodosius II or Valentinian III | 402 | 455 | Roman Empire | ||
| Theudebald | 548 | 555 | Merovingians | ||
| Theudebert I | 534 | 548 | Merovingians | ||
| Theudebert II | 595 | 612 | Merovingians | ||
| Theuderic I | 511 | 534 | Merovingians | ||
| Theuderic II | 595 | 613 | Merovingians | ||
| Theuderic III | 673 | 691 | Merovingians | ||
| Theuderic IV | 721 | 737 | Merovingians | ||
| Thrasamund | 496 | 523 | Vandals | ||
| Tiberius II Constantine | 578 | 582 | Eastern Roman Empire | ||
| Tiberius III Apsimar | 698 | 705 | Eastern Roman Empire | ||
| Toramana | 493 | 515 | Alchons | ||
| Totila | 542 | 552 | Ostrogoths | ||
| Tulga | 639 | 642 | Visigoths | ||
| Turγar | 738 | 750 | Bukharkhudat | ||
| ʿUmar b. ʿAbd al-ʿAzīz | 717 | 720 | Umayyads |