| Timur | | tee-MOOR (Russian) | History, Tatar, Chechen, Kazakh, Uzbek, Russian | |
| Tina | | TEE-nə (English), TEE-nah (Italian, Dutch) | English, Italian, Dutch, Slovene, Croatian, Macedonian | |
| Tine (2) | | - | Slovene | |
| Tinek | | - | Slovene | |
| Tiphaine | | - | French | |
| Tiphanie | | - | French | |
| Tisha | | TISH-ə | English, African American | |
| Titiana | | - | Ancient Roman | |
| Titianus | | - | Ancient Roman | |
| Titty | | TIT-ee | English | |
| Titus | | TI-tuws (Ancient Roman), TIE-təs (English) | Ancient Roman, English, Biblical, Biblical Latin | |
| TjaŠA | | - | Slovene | |
| TjaŽ | | - | Slovene | |
| Tobias | | to-BEE-ahs (German), tə-BIE-əs (English) | Biblical, German, Swedish, Norwegian, Danish, English, Biblical Latin, Biblical Greek | |
| Tobin | | TO-bin | English | |