| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Theotimus | - | Ancient Greek (Latinized) | ||
| Theotleip | - | Ancient Germanic | ||
| Theotman | - | Ancient Germanic | ||
| Theron | - | Ancient Greek | ||
| Theudelinda | - | Ancient Germanic | ||
| Theudemar | - | Ancient Germanic | ||
| Theudhar | - | Ancient Germanic | ||
| Theudobald | - | Ancient Germanic | ||
| Theudofrid | - | Ancient Germanic | ||
| Theudoricus | - | Ancient Germanic (Latinized) | ||
| Theutrich | - | Ancient Germanic | ||
| Thiemo | - | German, Dutch, Ancient Germanic | ||
| Thietmar | - | Ancient Germanic | ||
| Thoukydides | - | Ancient Greek | ||
| Thucydides | thoo-SID-ə-deez (English) | Ancient Greek (Latinized) |