| Tomica | | - | Croatian | |
| Tomislav | | - | Croatian, Serbian, Slovene, Medieval Slavic | |
| Tomislava | | - | Croatian, Serbian, Medieval Slavic | |
| Tomo | | - | Croatian | |
| TonĆI | | - | Croatian | |
| TonČI | | - | Croatian | |
| Toni (1) | | TO-nee (Finnish) | Finnish, Croatian | |
| Tonka | | - | Slovene, Croatian | |
| Tvrtko | | - | Croatian | |
| Valent | | - | Croatian | |
| Valentin | | VAH-len-teen (German), vah-lyen-TEEN (Russian), vah-leen-TEEN (Russian) | French, Romanian, German, Danish, Swedish, Norwegian, Czech, Russian, Bulgarian, Slovene, Croatian, | |
| 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 | |
| Valerija | | - | Serbian, Croatian, Slovene, Lithuanian | |
| Valter | | - | Portuguese, Italian, Swedish, Norwegian, Danish, Slovene, Croatian, Estonian | |
| Vanja | | - | Croatian, Serbian, Swedish, Norwegian, Danish | |