| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| ThaÍS | - | Portuguese (Brazilian) | ||
| ThaÏS | - | Ancient Greek | ||
| Thabo | - | Southern African, Tswana | ||
| Thaddaeus | - | Biblical | ||
| Thaddaios | - | Biblical Greek | ||
| Thaddeus | THAD-ee-əs (English) | English, Biblical, Biblical Latin | ||
| Thais | - | Ancient Greek | ||
| Thaksin | - | Thai | ||
| Thales | - | Ancient Greek | ||
| Thalia | - | Greek Mythology (Latinized) | ||
| Thalita | - | Portuguese (Brazilian) | ||
| Thamar | - | Biblical Greek, Biblical Latin | ||
| Thamarai | - | Tamil | ||
| Thamina | - | Arabic | ||
| Thamir | - | Arabic |