| Theon | Man | Greek Names |
| Theone | Woman | Greek Names |
| Theophanes | Man | Greek Names |
| Theophania | Woman | Greek Names |
| Theophila | Woman | Greek Names |
| Theophilia | Woman | Greek Names |
| Theophilus | Man | Greek Names |
| Theora | Woman | Greek Names |
| Theoris | Man | Greek Names |
| Theotimus | Man | Greek Names |
| Thera | Woman | Greek Names |
| Theresa | Woman | Greek Names |
| Theresia | Woman | Greek Names |
| Theria | Woman | Greek Names |
| Therius | Man | Greek Names |
| Theron | Unisex | Greek Names |
| Thessaly | Unisex | Greek Names |
| Theta | Woman | Greek Names |
| Thetis | Woman | Greek Names |
| Thina | Woman | Greek Names |