| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Tatius | - | Roman Mythology, Ancient Roman | ||
| Tatjana | TAHT-yah-nah (Finnish) | Serbian, Croatian, Slovene, Macedonian, German, Latvian, Lithuanian, Finnish | ||
| Tatton | TAT-ən | English (Rare) | ||
| Tatyana | tah-TYAH-nah | Russian | ||
| Tau | - | Southern African, Tswana, Sotho | ||
| Taufik | - | Indonesian | ||
| Tawfiq | - | Arabic | ||
| Tawnee | TAW-nee | English (Rare) | ||
| Tawnie | TAW-nee | English (Rare) | ||
| Tayeb | - | Arabic | ||
| Taymuraz | - | Ossetian | ||
| Tayyib | - | Arabic | ||
| TeÓDulo | te-O-dhoo-lo | Spanish | ||
| TeÓFila | te-O-fee-lah | Spanish | ||
| TeÓFilo | te-O-fee-lo (Spanish) | Spanish, Portuguese |