| Thaddeus | | THAD-ee-əs (English) | English, Biblical, Biblical Latin | |
| Thamar | | - | Biblical Greek, Biblical Latin | |
| Thersa | | - | Biblical Latin, Biblical Greek | |
| 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 | |
| Timaeus | | tie-MEE-əs (English) | Ancient Greek (Latinized), Biblical Latin, Biblical | |
| Timon | | TIE-mən (English), TEE-mawn (Dutch) | Ancient Greek, Biblical, Biblical Greek, Biblical Latin, Dutch | |
| Timotheus | | - | Biblical Latin, German, Dutch | |
| Titus | | TI-tuws (Ancient Roman), TIE-təs (English) | Ancient Roman, English, Biblical, Biblical Latin | |
| Tobias | | to-BEE-ahs (German), tə-BIE-əs (English) | Biblical, German, Swedish, Norwegian, Danish, English, Biblical Latin, Biblical Greek | |
| Tobit | | - | Biblical, Biblical Latin | |
| Urbanus | | - | Late Roman, Biblical Latin | |
| Uri | | - | Biblical, Biblical Latin, Hebrew | |
| Urias | | - | Biblical Latin | |
| Zabulon | | - | Biblical Latin | |
| Zaccharias | | - | Biblical Latin | |