| Name | Meaning | Gender | Origin |
| Tex | From Texas | E | American |
| Thad | Praise | M | Greek |
| Thaddeus | Praise | M | Greek |
| Thadeus | Form of THADDEUS | M | Greek |
| Thadine | The Praised | F | Hebrew |
| Thady | Praise | E | Greek |
| Thai | Person of Thailand | M | Vietnamese |
| Thais | The Bond | F | Greek |
| Thalassa | The Sea | F | Greek |
| Thalia | Joyful | F | Greek |
| Thandiwe | The Loving One | F | African |
| Thane | Landowner | E | English |
| Thanh | Finish/ Complete | M | Vietnamese |
| Thanos | Bear and Man | M | Greek |
| Thao | Respectful of Parents | F | Vietnamese |
| Thatcher | Roof Fixer | M | English |
| Thea | Gift of God | F | Greek |
| Thelma | Ambitious | F | Greek |
| Thema | Queen | F | African |
| Themba | Trusted | E | African |
| Theo | Divine Gift | M | Greek |
| Theodora | Gift of God | F | Greek |
| Theodore | Divine Gift | M | Greek |
| Theola | Divine | F | Greek |
| Theophilia | Loved Divinely | F | Greek |
| Theophilus | Loved by God | M | Greek |
| Theoris | Great | F | Egyptian |
| Thera | Harvester; reaper | F | Greek |
| Theresa | Harvester | F | Greek |
| Therese | From Theresia | F | French |
| Theresia | City in Ancient Greece | F | Greek |
| Theron | Hunter | E | Greek |
| Theta | Greek Letter | F | Greek |
| Thetis | Mythical Creature | F | Greek |
| Thi | Poetry | F | Vietnamese |
| Thiery | Ruler of the People | M | French |
| Thimba | Lion hunter | M | Swahili |
| Thina | Wise | F | Greek |
| Thisbe | Lover | F | Greek |
| Thom | A Twin | M | Greek |
| Thomas | A Twin | M | Greek |
| Thor | Thunder | M | Scandinavian |
| Thora | Thunder | F | Scandinavian |
| Thornton | From the Thorny Town | M | English |
| Thu | Autumn | E | Vietnamese |
| Thuong | Love tenderly | E | Vietnamese |
| Thuraya | Stars and the planets | F | Arabic |
| Thurman | Servant of Thor | M | English |
| Thurston | Thor's Stone | M | Scandinavian |
| Thuy | Pure | F | Vietnamese |