| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| ThÉO | te-O | French | ||
| ThÉOdore | te-o-DOR | French | ||
| ThÉOphile | te-o-FEEL | French | ||
| ThÉOtime | te-o-TEEM | French | ||
| ThÉRÈSe | te-REZ | French | ||
| ThaÏS | - | Ancient Greek | ||
| Thad | THAD | English | ||
| Thaddeus | THAD-ee-əs (English) | English, Biblical, Biblical Latin | ||
| Thais | - | Ancient Greek | ||
| Thales | - | Ancient Greek | ||
| Thancmar | - | Ancient Germanic | ||
| Thane | THAYN | English (Rare) | ||
| Thankarat | - | Ancient Germanic | ||
| Thankful | THANGK-fəl | English (Archaic) | ||
| Thea | TE-ah (German), THEE-ə (English) | German, Swedish, Danish, Norwegian, English |