| Treyden | A variant of the name Trey. |
| Treye | A variant of the name Trey. |
| Treysen | Derived from the Old English word 'trēsan', meaning 'settlement' or 'town'. |
| Treyson | Strong and courageous, derived from the Old English words 'treg' and 'son' |
| Treyvor | A variant of the name Trevor. |
| Trianna | Three-crowned, derived from the Latin words 'tri' and 'anna' |
| Trig | Three-cornered, derived from the Old English word 'trig' |
| Trigger | One who sets off or activates something, derived from the Old English word 'trig' |
| Trijntje | Pure, unsullied |
| Trillian | Derived from the Latin words 'tri' and 'lian', meaning threefold or triple |
| Trillium | A type of flowering plant, derived from the Latin word 'trillium' |
| Trinian | Derived from the Latin words 'tri' and 'nian', meaning three-crowned |
| Trinitty | A name meaning the Holy Trinity. |
| Trinna | A name meaning pure or trinity. |
| Trinnity | A name meaning the Holy Trinity. |
| Trinten | A variant of the name Trenton. |
| Trintin | A variant of the name Trenton. |
| Trinton | A variant of the name Trenton. |
| Triona | Derived from the Irish name 'Tara', meaning three-crowned |
| Trippton | Derived from the Old English words 'trip' and 'pton', meaning three-enclosure |
| Triss | A name meaning a noble patrician. |
| Tristah | A name meaning one who is sorrowful. |
| Tristine | Derived from the Latin words 'tri' and 'istine', meaning three-crowned |
| Troah | A name meaning a path or a journey. |
| Troian | Derived from the Latin name 'Troia', meaning from Troy |
| Trotter | One who walks or runs with a steady pace, derived from the Old English word 'trot' |
| Troya | Derived from the Latin name 'Troia', meaning from Troy |
| Troyce | Derived from the Old English words 'troy' and 'ce', meaning from Troy |
| Troyton | One who comes from the town of Troy. |
| Trudhild | A battle maiden of great strength. |
| Trudhilde | A woman who is strong in the battle. |
| Truelian | Derived from the Latin words 'tri' and 'lian', meaning threefold or triple |
| Truely | In a truthful or genuine manner, derived from the Old English word 'tru' |
| Truen | Derived from the Old English word 'tru', meaning true |
| Truth | The state of being true or real, derived from the Old English word 'tru' |
| Trym | Derived from the Old Norse word 'Trym', meaning mighty or powerful |
| Trysta | Derived from the Old English word 'tryst', meaning a meeting or appointment |
| Trystia | A person who keeps a secret meeting. |
| Tryver | One who tries or attempts to do something |
| Tsega | Gift or present |