| Taja | f | | Taja can be derived from several sources |
| Tajan | m | Slavic | The name Tajan, a masculine first name, originates from South Slavic |
| Tajana | f | Slavic | Tajana, a female first name, is an extension of Taja and originates from Old Slavic |
| Tasa | f | Persian | Tasa is used for both boys and girls |
| Tatjana-Isabell | f | Polish | Currently, no information is available regarding the meaning |
| Teo | m | Georgian | Teo is, like Theo, a short form and is mainly associated with the name Teodor, a Slavic… |
| Teodor | m | Danish | Teodor (Cyrillic Теодор) is a Slavic, Romanian, and Scandinavian variant of the name Th… |
| Tin | m | Latin | The name Tin serves as a Croatian abbreviation for names that have the ending "-tin" |
| Tinja | f | Latin | The name Tinja is a derived form of Kristinja, which in turn is derived from Christina … |
| Tinka | f | Latin | The name Tinka has its roots as a South Slavic pet form of Tina, which is a short form … |
| Tino | m | Latin | The name Tino is used as an Italian short form of various first names that end in "-tin… |
| Toma | m | Georgian | The name Toma is directly translated as 'the twin.' It has its roots in Old Aramaic, de… |
| Tomic | m | Slavic | Tomic is a boy's name that is regarded as a Slavic and Czech form of Thomas |
| Tonica | f | American | Tonica is also pronounced as 'Tonitza' and represents a South Slavic short form of Anto… |
| Tonisa | f | | The term 'Tonischa' originates from the Old South Slavic language and is a short form o… |
| Tonka | f | Latin | Tonka is a South Slavic variant of the name Antonia, which is also used as a pet form |
| Trpimir | m | | The name Trpimir originates from Croatia and can be interpreted as 'the patient peace' |
| Tulipana | f | Slavic | Tulipana is derived from the tulip, which is referred to as 'turban' in Persian |
| Tvrtko | m | | The name Tvrtko, also recorded in Cyrillic script as Твртко, originates from the South … |