| N A M E | O R I G I N | M E A N I N G |
| Tripper | English | Traveler. |
| Triptolemus | Greek | Taught agriculture by Demeter. |
| Tris | Celtic | Diminutive of Tristan: Sad din. In a story from the Middle Ages, Tristan, nephew of King Mark of Cornwall, was in love with the princess Iseult of Ireland. |
| Tristam | Latin | Full of sorrows. |
| Tristan | Old Welsh, Latin | noisy one, laborer |
| Tristram | Welsh | Sad |
| Triton | Greek | Son of Poseidon. |
| Troi | English | Troy derives from the ancient Greek city of Troy; also from an Irish surname meaning 'soldier.'. |
| Troilus | French | place name |
| Tron | Norse | Growing. |
| Trond | Norse | Growing. |
| Trophonius | Greek | Brother of Agamedes. |
| Trory | African-American | The Red One |
| Tros | Latin | Founder of Troy. |
| Trowbrydge | English | From the tree bridge. |
| Trowhridge | English | From the tree bridge. |
| Troye | English | Troy derives from the ancient Greek city of Troy; also from an Irish surname meaning 'soldier.'. |
| Troyes | French | Curly haired. |
| Trudord | Norse | From the spearman's ford. |
| Truesdale | English | From the beloved one's farm. |
| Truesdell | English | From the beloved one's farm. |
| Truitestall | English | From the beloved one's farm. |
| Truman | Old English | disciple |
| Trumbald | English | Strong or bold. |
| Trumble | English | Mighty |
| Trumen | English | Loyal. |
| Trumhall | English | Strong or bold. |
| Truong | Turkish | School, field |
| Trygg | Scandinavian | True |
| Tryggr | Norse | True. |
