| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| TÁHirih | - | History | ||
| Tamerlane | - | History | ||
| Tarquin | TAHR-kwin (English) | History | ||
| Temujin | - | History | ||
| Theodoric | thee-AHD-ə-rik (English) | History | ||
| Timour | - | History | ||
| Timur | tee-MOOR (Russian) | History, Tatar, Chechen, Kazakh, Uzbek, Russian | ||
| Trajan | TRAY-jən (English) | History, Macedonian | ||
| Tully | - | History |