| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Theron | - | Ancient Greek | ||
| Thersa | - | Biblical Latin, Biblical Greek | ||
| Theudelinda | - | Ancient Germanic | ||
| Theudemar | - | Ancient Germanic | ||
| Theudhar | - | Ancient Germanic | ||
| Theudobald | - | Ancient Germanic | ||
| Theudofrid | - | Ancient Germanic | ||
| Theudoricus | - | Ancient Germanic (Latinized) | ||
| Theutrich | - | Ancient Germanic | ||
| Thi | - | Vietnamese | ||
| Thiago | - | Portuguese (Brazilian) | ||
| Thiemo | - | German, Dutch, Ancient Germanic | ||
| Thietmar | - | Ancient Germanic | ||
| Thilo | - | German | ||
| Thoko | TO-ko | Southern African, Chewa |