| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2021 |
|---|
| Tomine | Thomas/Thomasina | Aramaic | Scandinavian | twin | |
| Tomma | Tomma | Frisian | German, Frisian, Low German | | |
| Tomoko | Tomoko | Japanese | Kanji symbol, Japanese | child of wisdom | |
| Tomomi | Tomomi | Japanese | Kanji symbol, Japanese | beautiful friend | |
| Tone | Tor/Tora | Old Norse | Scandinavian | thunder | |
| Toni | Anthony/Antonia | Latin | English | | |
| Tonia | Anthony/Antonia | Latin | Italian, English | | |
| Tonja | Anthony/Antonia | Latin | Russian | | |
| Tonje | Anthony/Antonia | Latin | Scandinavian | | |
| Tonya | Anthony/Antonia | Latin | English | | |
| Tora | Tor/Tora | Old Norse | Scandinavian | thunder | |
| Tordis | Thordis | Old Norse | German, Scandinavian | Words: thunder, thunder god / goddess | |
| Torhild | Thorhild | Old Norse | Scandinavian | Words: thunder, thunder god / battle | |
| Tori | Victor/Victoria | Latin | English | the victor | #993 |
| Torill | Thorhild | Old Norse | Scandinavian | Words: thunder, thunder god / battle | |
| Tosca | Tosco/Tosca | Latin | Italian | | |
| Tosia | Tosia | Unknown | English | | |
| Tova | Tova | Scandinavian | Scandinavian | Words: thunder, thunder god | |
| Tove | Tova | Scandinavian | Scandinavian | Words: thunder, thunder god | |
| Tracee | Tracy/Tracy | Old French | English | | |
| Tracey | Tracy/Tracy | Old French | English | | |
| Traci | Tracy/Tracy | Old French | English | | |
| Tracie | Tracy/Tracy | Old French | English | | |
| Tracy | Tracy/Tracy | Old French | English | | |
| Tracy | Teresio/Theresa | Old Greek | English | maybe the hunteress | |
| Traute | Traute | German | German | | |
| Treasure | Treasure | English | English | treasure | #687 |
| Triana | Triana | Unknown | Spanish | | |
| Tricia | Patrick/Patrizia | Latin | English | nobleman | |
| Trine | Katherine | Old Greek | Scandinavian | maybe the pure | |
| Trinidad | Trinity | English | Spanish | trinity | |
| Trinidade | Trinity | English | Portuguese | trinity | |
| Trinity | Trinity | English | English | trinity | #275 |
| Trisha | Patrick/Patrizia | Latin | English | nobleman | |
| Trista | Tristan/Trista | Celtic | English | Words: riot, tumult | |
| Tristan | Tristan/Trista | Celtic | English | Words: riot, tumult | |
| Tristen | Tristan/Trista | Celtic | English | Words: riot, tumult | |
| Trixi | Beatrix | Latin | German | traveller, pilgrim | |
| Tru | Tru | Unknown | English | | |
| Trudi | Gertrud | Old High German | German, Swiss German | Words: spear / strength, power | |
| Trudy | Gertrud | Old High German | German, Swiss German | Words: spear / strength, power | |
| Tseruja | Zeruiah | Hebrew | French | balsam | |
| Tuana | Tuana | Unknown | Turkish | | |
| Tugba | Tugba | Unknown | Turkish | | |
| Tugendreich | Tugendreich | German | German | | |
| Tülay | Tülay | Unknown | Turkish | Words: moon | |
| Tulia | Tullio/Tullia | Latin | Spanish | | |
| Tullia | Tullio/Tullia | Latin | Spanish | | |
| Tünde | Tünder | Hungarian | Hungarian | fairy | |
| Tünder | Tünder | Hungarian | Hungarian | fairy | |
| Turid | Thorfrid/Thurid | Old Norse | Scandinavian | Words: thunder, thunder god / beautiful | |
| Tusnelda | Thusnelda | Old High German | German | Words: giant / fight | |
| Tuula | Tuuli | Finnish | Finnish | the wind | |
| Tuuli | Tuuli | Finnish | Finnish | the wind | |
| Tuulia | Tuuli | Finnish | Finnish | the wind | |
| Tuulikki | Tuuli | Finnish | Finnish | the wind | |
| Tuva | Tuva | Unknown | Scandinavian | | |
| Tyesha | Tyesha | Unknown | English | | |
| Tyler | Tyler/Tyler | Old English | English | tiler | |
| Typhaine | Epiphany | Old Greek | French | epiphany, manifestation | |
| Tyra | Thyra | Old Norse | Scandinavian, English | Words: thunder, thunder god / fight, battle | |
