| Name | Meaning | Gender | Origin |
|---|
| Thad | Uncertain, perhaps praised or heart | Male | Aramaic |
| Thaddeus | Uncertain, perhaps praised or heart | Male | Aramaic |
| Thelma | Will | Female | Literary |
| Theo | Gift of God | Male | Greek |
| Theola | Good | Female | Greek |
| Therese | Harvester | Female | Greek |
| Theron | Hunter | Male | Greek |
| Thi | Poem | Female | Vietnamese |
| Thirza | Pleasantness | Female | Hebrew |
| Thomas | Twin | Male | Aramaic |
| Thora | Thunder | Female | Norse |
| Thornton | Thorn bush enclosure or settlement | Male | English |
| Thurman | Protected | Male | Norwegian |
| Thyra | God | Female | Norse |
| Tia | Princess Or Crowned One | Female | English |
| Tien | A fairy from Vietnamese mythology | Female | Vietnamese |
| Tiera | Crowned | Female | Hebrew |
| Tilden | Fertile valley | Male | English |
| Timon | Respect god | Male | Greek |
| Tina | Follower of Christ | Female | Latin |
| Tirza | Pleasantness | Female | Hebrew |
| Titania | Uncertain, perhaps of the Titans | Female | Latin |
| Titus | Of The Giants | Male | Latin |
| Tivona | Naturist | Female | Hebrew |
| Toby | God is good | Unisex | Hebrew |
| Todd | Fox | Male | English |
| Tomas | Twin | Male | English |
| Tomi | Kalarbari Of Nigeria Name Meaning "The People." | Unisex | English |
| Tomiko | Treasured child | Female | Japanese |
| Tommie | Twin | Male | Aramaic |