| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2024 |
| Treyton | Treyton | Unknown | English | | |
| Treyvon | Trevon | Unknown | English | | |
| Tripp | Tripp | English | English | the Third | #509 |
| Tristan | Tristan/Trista | Celtic | German, French, English | Words: riot, tumult | #267 |
| Tristen | Tristan/Trista | Celtic | English | Words: riot, tumult | |
| Tristian | Tristan/Trista | Celtic | English | Words: riot, tumult | |
| Tristin | Tristan/Trista | Celtic | English | Words: riot, tumult | |
| Triston | Tristan/Trista | Celtic | English | Words: riot, tumult | |
| Trond | Trond | Old Norse | Scandinavian | | |
| Troy | Troy | French | English | man from Troyes | #530 |
| Tru | Tru | Unknown | English | | #617 |
| Truce | Truce | English | English | truce | #987 |
| True | True | English | English | true | #983 |
| Truett | Truett | Unknown | English | | #647 |
| Truls | Torgils | Old Norse | Scandinavian | Words: thunder, thunder god / hostage | |
| Truman | Truman | English | English | trusty man | |
| Trygve | Trygve | Old Norse | Scandinavian | Words: trustworthy | |
| Trym | Trym | Old Norse | Scandinavian | | |
| Trystan | Tristan/Trista | Celtic | French, English | Words: riot, tumult | |
| Tsubasa | Tsubasa | Japanese | Kanji symbol, Japanese | wing | |
| Tsuyoshi | Tsuyoshi | Japanese | Kanji symbol, Japanese | strong, tough | |
| Tuah | Tuah | Malay | Malay | luck, fortune | |
| Tucker | Tucker | Old English | English | the fuller | #200 |
| Tudor | Theodore/Theodora | Old Greek | Romanian | gift of god | |
| Tufan | Tufan | Arabic | Turkish | storm | |
| Tugrul | Tugrul | Turkish | Turkish | gyrfalcon | |
| Tulio | Tullio/Tullia | Latin | Spanish | | |
| Tullio | Tullio/Tullia | Latin | Italian | | |
| Tullo | Tullio/Tullia | Latin | Italian | | |
| Tumasch | Thomas/Thomasina | Aramaic | Rhaeto-Romanic | twin | |
| Tunar | Tunar | Unknown | Azerbaijani | | |
| Tuncay | Tuncay | Turkish | Turkish | maybe moon out of bronze | |
| Tuomas | Thomas/Thomasina | Aramaic | Finnish | twin | |
| Ture | Thore | Scandinavian | Scandinavian | Words: thunder, thunder god | |
| Turi | Salvatore/Salvatrice | Latin | Italian | the saviour | |
| Turibio | Toribio | Latin | Spanish | | |
| Turner | Turner | English | English | turner, lathe operator | |
| Tuukka | Tuukka | Unknown | Finnish | | |
| Tuur | Arthur | Celtic | Dutch | maybe the bear | |
| Twan | Anthony/Antonia | Latin | Dutch | | |
| Txaber | Xavier/Xaveria | Basque | Basque | Words: house / new | |
| Ty | Ty | English | English | | #851 |
| Tycho | Tycho | Old Greek | Scandinavian | hitting the mark | |
| Tygo | Tycho | Old Greek | Dutch | hitting the mark | |
| Tyler | Tyler/Tyler | Old English | English | tiler | #191 |
| Tylor | Tyler/Tyler | Old English | English | tiler | |
| Tymon | Timon | Old Greek | Polish | Words: honored, esteemed | |
| Tymoteusz | Timotheus/Timotea | Old Greek | Polish | honoring God | |
| Tyquan | Tyquan | Unknown | English | | |
| Tyr | Tyr | Old Norse | Scandinavian | Words: light, daylight, deity | |
| Tyr | Tyr | Old Norse | Old Norse | Words: light, daylight, deity | |
| Tyree | Tyree | Old Irish | English | Words: land | |
| Tyreek | Tyreek | Unknown | English | | |
| Tyreese | Tyrese | English | English | | |
| Tyrek | Tyreek | Unknown | English | | |
| Tyreke | Tyreek | Unknown | English | | |
| Tyrell | Tyrrell | Old French | English | Words: pull | |
| Tyrese | Tyrese | English | English | | |
| Tyrik | Tyreek | Unknown | English | | |
| Tyrin | Tyrone | Old Irish | English | land of Eoghan | |
| Tyriq | Tyreek | Unknown | English | | |
| Tyrique | Tyreek | Unknown | English | | |
| Tyron | Tyrone | Old Irish | English | land of Eoghan | |
| Tyrone | Tyrone | Old Irish | English, Irish | land of Eoghan | |
| Tyrrell | Tyrrell | Old French | English | Words: pull | |
| Tyshawn | Tyshawn | Unknown | English | | |
| Tyson | Tyson | Old English | English | son of Ty | #457 |