| Name | Meaning | Gender | Origin |
|---|
| Talia | Dew of heaven
| Female | Hebrew |
| Tallulah | leaping water | Female | Irish |
| Tansy | immortality, flower name | Female | Greek |
| Tara | A hill where the kings met
| Female | Irish |
| Tartan | | Unisex | |
| Taxi | | Unisex | |
| Teddy | From Edward - Prosperous guardian | Unisex | |
| Tenshi | | Unisex | |
| Tessa | Abbreviation of Teresa which is a popular saint's name of uncertain meaning.
| Female | English |
| Thalia | blooming, plentiful | Female | Greek |
| Thor | Viking mythology: the ruler of the weather | Male | Norse |
| Thunder | Sound produced from lightning | Unisex | |
| Thunder | Sound produced from lightning | Unisex | |
| Thunder | Sound produced from lightning | Unisex | |
| Thurston | Thor's jewel. | Male | Scandinavian |
| Tia | Aunt
| Female | Spanish |
| Tickle | | Unisex | |
| Tiffany | Manifestation of God | Female | Greek |
| Tin Tin | | Unisex | |
| Tinka | | Unisex | |
| Tinkle | | Unisex | |
| Tisiphone | | Unisex | Hebrew |
| Titan | | Male | |
| Tolstoy | | Male | |
| Tomato | | Unisex | |