| Teodor | | te-AW-dawr (Polish), TE-o-dor (Croatian) | Swedish, Norwegian, Danish, Romanian, Czech, Slovak, Polish, Serbian, Croatian, Slovene, Hungarian, | |
| Teodora | | te-o-DAW-rah (Italian), te-o-DHO-rah (Spanish), te-aw-DAW-rah (Polish) | Italian, Spanish, Portuguese, Swedish, Romanian, Polish, Bulgarian, Macedonian, Serbian | |
| Teodosija | | - | Serbian, Macedonian | |
| Tihana | | - | Croatian, Serbian | |
| Tihomir | | - | Croatian, Bulgarian, Serbian, Macedonian | |
| Tijana | | - | Serbian, Croatian | |
| Todor | | - | Bulgarian, Serbian, Macedonian | |
| Toma (2) | | TO-mah (Croatian, Serbian) | Romanian, Croatian, Serbian, Bulgarian, Macedonian, Georgian | |
| Tomislav | | - | Croatian, Serbian, Slovene, Medieval Slavic | |
| Tomislava | | - | Croatian, Serbian, Medieval Slavic | |
| UroŠ | | - | Serbian, Slovene | |
| Uros | | - | Serbian | |
| Valerija | | - | Serbian, Croatian, Slovene, Lithuanian | |
| Vanja | | - | Croatian, Serbian, Swedish, Norwegian, Danish | |
| Vartolomej | | - | Serbian (Rare) | |