| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Tjaard | TYAH:RT (Dutch) | Frisian, Dutch | ||
| Tjeerd | TYAY:RT (Dutch) | Frisian, Dutch | ||
| Tlaloc | TLAH-lok | Aztec And Toltec Mythology | ||
| ToŠE | TO-she | Macedonian | ||
| Tobiah | to-BIE-ə (English) | Biblical | ||
| Tobias | to-BEE-ahs (German), tə-BIE-əs (English) | Biblical, German, Swedish, Norwegian, Danish, English, Biblical Latin, Biblical Greek | ||
| Tobit | - | Biblical, Biblical Latin | ||
| Tobith | - | Biblical Greek | ||
| Todor | - | Bulgarian, Serbian, Macedonian | ||
| Todorka | - | Bulgarian, Macedonian | ||
| Toinette | - | French | ||
| Tolly | - | English (Archaic) | ||
| Tom (1) | TAHM (English), TAWM (Dutch) | English, Dutch | ||
| TomÁŠ | - | Czech, Slovak | ||
| TomÀS | - | Catalan |