| Treyce | A mark left by the passage of something, a very small amount, to follow the trail of something |
| 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' |
| Tribhuvani | Goddess of the Three Worlds |
| Tribi | A unique, modern invented name. |
| Tribisa | A unique, modern invented name. |
| Trice | Harvest, Woman, Hunter, Guardian |
| Tricha | A short form of the name Patricia. |
| Trichia | A variant of the name Patricia. |
| Tridevi | Three Goddesses, Hindu Trinity |
| Tridisha | Three Directions |
| Triena | A name of uncertain origin. |
| Trieste | Named after an Italian city. |
| Trifine | A name of uncertain origin. |
| Trifonia | A name meaning born in the third month. |
| 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' |
| Trija | A name meaning born of the third light. |
| Trijeeta | Winner of Three World |
| Trijntje | Pure, unsullied |
| Trikshna | A name meaning sharp or very intelligent. |
| Tril | A name meaning a small musical trill. |
| 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' |
| Trilocki | Three Dimension |
| Triloksha | A name meaning ruler of three worlds. |
| Trimala | Conjoin of Three Scared Necklace |
| Trin | A name meaning a blade of green grass. |
| Trinaa | A name meaning pure and simple grass. |
| Trinaini | A name meaning one with three eyes. |
| Trinasha | A name meaning hope for the future. |
| Trindade | A name meaning the holy trinity. |
| Trinian | Derived from the Latin words 'tri' and 'nian', meaning three-crowned |
| Trinice | A name meaning pure or trinity. |
| Trinidade | Portuguese for the Holy Trinity. |
| Triniece | A variant meaning the Trinity. |