| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Thracius | - | Ancient Roman | ||
| Tiberius | ti-BE-ri-uws | Ancient Roman | ||
| Tiburtius | - | Ancient Roman | ||
| Titiana | - | Ancient Roman | ||
| Titianus | - | Ancient Roman | ||
| Titus | TI-tuws (Ancient Roman), TIE-təs (English) | Ancient Roman, English, Biblical, Biblical Latin | ||
| Traianus | - | Ancient Roman | ||
| Tullia | - | Italian, Ancient Roman | ||
| Tullius | - | Ancient Roman | ||
| Valens | - | Ancient Roman | ||
| Valentina | vah-len-TEE-nah (Italian), vah-lyen-TEE-nah (Russian), vah-leen-TEE-nah (Russian) | Italian, Russian, Slovene, Croatian, Macedonian, Romanian, Spanish, Ancient Roman | ||
| Valentinianus | - | Ancient Roman | ||
| Valentinus | - | Ancient Roman | ||
| Valeria | vah-LE-ryah (Italian), bah-LE-ryah (Spanish) | Italian, Spanish, Romanian, German, Ancient Roman | ||
| Valeriana | - | Ancient Roman |