| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| THANE | THAYN | English (Rare) | ||
| THANKARAT | - | Ancient Germanic | ||
| THANOS | - | Greek | ||
| THEI | - | Limburgish | ||
| THEIRN | - | French | ||
| THELONIUS | - | Various | ||
| THEMISTOCLES | - | Ancient Greek (Latinized) | ||
| THEMISTOKLES | - | Ancient Greek | ||
| THEMISTOKLIS | - | Greek | ||
| Theo | [θi:əu] | |||
| THEO | THEE-o (English), TAY-o (Dutch) | English, Dutch | ||
| THEOBALD | THEE-ə-bawld (English) | English (Rare), Ancient Germanic | ||
| THEOCRITUS | - | Ancient Greek (Latinized) | ||
| THEODERICH | - | Ancient Germanic | ||
| THEODOAR | - | Ancient Germanic |