| Tadeu | m | Aramaic | Tadeu is regarded as a Portuguese and especially Brazilian variant of the name Thaddäus |
| Tamara | f | Italian | Tamara (Тамара) is the Russian form of the biblical name Tamar |
| Tarcisio | m | Italian | The first name Tarcisio, also known as Tarcísio in Portuguese, has its origins in the R… |
| Teo | m | Georgian | Teo is, like Theo, a short form and is mainly associated with the name Teodor, a Slavic… |
| Teodora | f | Italian | Teodora (Cyrillic Теодора) is a variant of Theodora, which is considered the feminine f… |
| Teodoro | m | Italian | Teodoro is the Italian, Spanish, and Portuguese spelling of Theodor and means 'gift of … |
| Teofilo | m | Italian | The name Teofilo derives from the ancient Greek terms theos, meaning 'God', and philos,… |
| Teresina | f | Italian | Teresina is an Italian diminutive of Teresa and is also a variation of the name Theresi… |
| Terra | f | Latin | The name Terra comes from Roman mythology and refers to the goddess of the Earth |
| Theodoro | m | Portuguese | Theodoro is a form of Teodoro, which is widespread in Spanish and Portuguese cultures a… |
| Thiago | m | Latin | Thiago is a Spanish and Portuguese form of the name Tiago, which in turn is derived fro… |
| Tiago | m | Latin | The first name Tiago has its roots in Portuguese and is a variant of the old Spanish Sa… |
| Tiberia | f | Latin | The name Tiberia is a female variant of Tiberius and originates from Italian, Portugues… |
| Ticia | f | Latin | Ticia is a Portuguese form of Leticia and is derived from Laetitia |
| Tito | m | Latin | Tito is a masculine form that derives from the Roman name Titus |
| Tomasin | f | English | The name Tomasin, pronounced as 'Tomaschin', is the feminine form of Thomasina and tran… |
| Tome | m | Portuguese | Tome (Tomé) is a variant of the name Thomas in Portuguese and Slovenian |
| Toninho | m | Portuguese | It is a diminutive of Toni |
| Toribio | m | Portuguese | Toribio is a male first name regarded as the Portuguese and Spanish derivation of the R… |
| Travaris | m | Portuguese | The name has its roots in Portuguese |
| Tristana | f | Celtic | Tristana derives as the feminine form of Tristan, which may trace back to the Celtic te… |
| Tulipa | f | Portuguese | Tulipa is a female first name that comes from Portuguese and literally means 'the tulip' |
| Tyki | m | Norwegian | Currently, there is no information available about the meaning of the name Tyki |