| TANTALUS | myth name (condemned to eternal torment) |
| Tarasios | Derived from the Greek for star. |
| Taryn | King of Rocky Hill. Variant of Tarynn. |
| Tasia | A name meaning one who is reborn. |
| Tassos | A Greek name meaning harvest |
| TAXIARCHAI | A Greek name meaning commander. |
| Teadoir | A person who is a gift of God. |
| Teah | Goddess; godly. Also abbreviation of names like Althea and Dorothea. The mythological Thea was Greek goddess of light and mother of the sun; moon and dawn. |
| Tecla | Derived from the Greek word for glory. |
| Tedra | A name meaning a gift from the heavens. |
| Tedre | A name meaning a gift of divine grace. |
| Teigra | A name meaning a tiger or fierce one. |
| Tekla | A name meaning divine glory. |
| TELAMON | myth name (father of Ajax) |
| TELEGONUS | myth name (son of Odysseus) |
| Telema | distant fighter |
| TELEMACHUS | myth name (son of Odysseus) |
| TELEPHUS | myth name (son of Hercules) |
| Telly | A nickname meaning television. |
| Teny | A short form of a longer name. |
| Teodors | A precious gift from God. |
| Teofile | Divinely loved. |
| Teofilia | One who loves the divine. |
| TERENTIA | Latin name meaning to rub or polish. |
| TEREUS | myth name (king of Thrace) |
| Terisita | A Spanish name meaning little harvester. |
| TERPSICHORE | myth name (muse of dance and lyric poetry) |
| Terri | A diminutive form of Theresa. |
| Terriana | A modern, melodic name variant. |
| Tertius | Latin name meaning the third son. |
| TESSA | A harvester of the summer fields. |
| TETHYS | myth name (wife of Oceanus) |
| TEUCER | myth name (an archer) |
| TEUTHRAS | myth name (king of Mysia) |
| Thad | A name meaning heart or courageous. |
| THADDEA | Derived from the word for courageous. |
| Thaddia | A feminine form meaning courageous. |
| Thadea | A name meaning heart or courageous. |
| Thadeus | A form of thaddeus |
| Thady | A name meaning heart or courageous. |