| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Thaddaios | - | Biblical Greek | ||
| Thaddeus | THAD-ee-əs (English) | English, Biblical, Biblical Latin | ||
| Thais | - | Ancient Greek | ||
| Thales | - | Ancient Greek | ||
| Thamar | - | Biblical Greek, Biblical Latin | ||
| Thamina | - | Arabic | ||
| Thamir | - | Arabic | ||
| Thana | - | Arabic | ||
| Thancmar | - | Ancient Germanic | ||
| Thandiwe | - | Southern African, Xhosa | ||
| Thankarat | - | Ancient Germanic | ||
| Thankful | THANGK-fəl | English (Archaic) | ||
| TheÓDÓRa | - | Icelandic | ||
| Thecla | - | Dutch (Rare), Late Greek (Latinized) | ||
| Theirn | - | French |