| Thokozani | | to-ko-ZAH-nee | Southern African, Chewa | |
| Thoma | | - | Old Church Slavic | |
| Thomas | | TAHM-əs (English), TOM-əs (English), to-MAH (French), TO-mahs (German, Dutch), tho-MAHS (Greek) | English, French, German, Dutch, Swedish, Norwegian, Danish, Greek, Biblical, Biblical Latin, Biblica | |
| Thor | | THOR (English), TOR (Danish), TOOR (Swedish, Norwegian) | Norse Mythology, Danish, Swedish, Norwegian | |
| Thora | | - | Swedish, Norwegian, Danish, German | |
| Thorben | | TAWR-ben (German) | Danish, German | |
| ThorbjØRn | | - | Norwegian | |
| Thorburn | | THAWR-bərn | English (Rare) | |
| Thore | | - | Swedish, Norwegian, Danish | |
| Thorley | | THAWR-lee | English (Rare) | |
| Thorstein | | - | Norwegian | |
| Thorsten | | TAWR-sten (German) | Swedish, Danish, German | |
| Thorvald | | - | Swedish, Norwegian, Danish | |
| Thoth | | - | Egyptian Mythology (Hellenized) | |
| Thoukydides | | - | Ancient Greek | |