| Tadija | | TAH-dee-yah | Croatian | |
| Tajana | | - | Croatian, Serbian | |
| Tamara | | tah-MAH-rah (Russian, Spanish, Italian), tə-MAHR-ə (English), TAM-ə-rə (English) | Russian, Ukrainian, Czech, Slovak, Polish, Slovene, Croatian, Serbian, Macedonian, English, Dutch, S | |
| Tanja | | TAHN-yah (German, Finnish) | German, Finnish, Serbian, Croatian, Slovene, Macedonian, Danish, Swedish, Norwegian | |
| Tatjana | | TAHT-yah-nah (Finnish) | Serbian, Croatian, Slovene, Macedonian, German, Latvian, Lithuanian, Finnish | |
| Tea | | TE-ah (Finnish) | Croatian, Slovene, Swedish, Danish, Norwegian, Finnish | |
| Tena | | TE-nah | Croatian | |
| Teo | | TE-o | Italian, Spanish, Croatian | |
| Teodor | | te-AW-dawr (Polish), TE-o-dor (Croatian) | Swedish, Norwegian, Danish, Romanian, Czech, Slovak, Polish, Serbian, Croatian, Slovene, Hungarian, | |
| Terezija | | - | Slovene, Croatian | |
| Tihana | | - | Croatian, Serbian | |
| Tihomir | | - | Croatian, Bulgarian, Serbian, Macedonian | |
| Tijana | | - | Serbian, Croatian | |
| Tin | | TEEN | Croatian | |
| Tina | | TEE-nə (English), TEE-nah (Italian, Dutch) | English, Italian, Dutch, Slovene, Croatian, Macedonian | |