| Tracy | - | United States Name | Trailokva | - | Indian Name |
| Trambak | - | Indian Name | Trang | - | Vietnamese Name |
| Tranquilino | - | Philippines Name | Transfiguracion | - | Philippines Name |
| Trausti | - | Icelandic Name | Travis | - | French Name |
| Travis, Travers | - | French Name | Travon | - | United States Name |
| Tremaine | - | Cornish Name | Trent | - | English Name |
| Trenton | - | United States Name | Trevon | - | West Indies Name |
| Trevor | - | English Name | Trevrizent | - | Arthurian Name |
| Trey | - | English Name | Tribhuvan | - | Indian Name |
| Tridib | - | Indian Name | Trieu | - | Vietnamese Name |
| Trifun | - | Serbian Name | Trifun-Luka | - | Serbian Name |
| Trifun-Mihailo | - | Serbian Name | Trifun-Nikola | - | Serbian Name |
| Trigun | - | Indian Name | Trilochan | - | Indian Name |
| Trilok | - | Indian Name | Trilokesh | - | Indian Name |
| Trinidad | - | Philippines Name | Tripp | - | United States Name |
| Tripurari | - | Indian Name | Trishanku | - | Indian Name |
| Trishul | - | Indian Name | Trisno | - | Indonesian Name |
| Tristan | - | Gaelic Name | Tristen | - | United States Name |
| Tristian | - | United States Name | Tristin | - | English Name |
| Triston | - | United States Name | Tristram | - | Arthurian Name |
| Trivak | - | Cyprien Name | Trivikram | - | Indian Name |
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