| thermohardend | termofixo |
| Thermokoppel | Termopar |
| thermometer | termômetro |
| thermonucleair | termonuclear |
| Thermopauze | Termopausa |
| thermoplastisch | termoplástico |
| Thermopylae | Termópilas |
| Thermoregulatie | Termorregulação |
| thermosfeer | termosfera |
| thermosfles | garrafa térmica |
| thermoskan | garrafa térmica |
| thermostaat | termostato |
| Theropoda | Theropoda |
| thesaurie | tesouraria |
| thesaurier | fiscal |
| thesaurus | dicionário de sinônimos |
| these | tese |
| Theseus | Teseu |
| Thespiae | Téspias |
| Thesprotia | Tesprotia |
| Thessalië | Tessália |
| Thessaloniki | Salónica |
| Thetis | Tétis |
| Theudebert I | Teodeberto I |
| Theudebert II | Teodeberto II |
| Theuderik I | Teodorico I da Austrásia |
| Theuderik I van Austrasië | Teodorico I da Austrásia |
| Theuderik II | Teodorico II da Borgonha |
| Theuderik III | Teodorico III da Nêustria |
| Theuderik IV | Teodorico IV |
| Theudis | Têudis |
| Theudoald | Teodoaldo |
| theïsme | teísmo |
| Theïstisch evolutionisme | Evolucionismo teísta |
| Thiago Motta | Thiago Motta |
| Thiamine | Tiamina |
| Thich Nhat Hanh | Thich Nhat Hanh |
| Thick As A Brick | Thick as a Brick |
| Thief | Thief |
| Thierachern | Thierachern |
| Thierhaupten | Thierhaupten |
| Thierrens | Thierrens |
| Thierry Boutsen | Thierry Boutsen |
| Thierry Henry | Thierry Henry |
| Thiers | Thiers |
| Thiersheim | Thiersheim |
| thijm | tomilho |
| Thijs | Mateus |
| Thimerosal | Merthiolate |
| Thimphu | Thimbu |
| Thin client | Thin client |
| Thin Film Transistor | Thin-film transistor |
| Thin Lizzy | Thin Lizzy |
| Think | Think Nordic |
| thinner | solvente |
| Thiol | Tiol |
| Third Lake | Third Lake |
| Third person shooter | Tiro em terceira pessoa |
| Third Watch | Third Watch |
| Thiron Gardais | Thiron Gardais |
| Thirteen | Thirteen |
| This Bike Is A Pipe Bomb | This Bike Is a Pipe Bomb |
| This Used To Be My Playground | This Used To Be My Playground |
| Thiudimir | Teodomiro |
| Thoetmoses I | Tutmés I |
| Thoetmoses II | Tutmés II |
| Thoetmoses IV | Tutmés IV |
| Thoetmosis I | Tutmés I |
| Thoetmosis II | Tutmés II |
| Thoetmosis III | Tutmés III |
| Thoetmosis IV | Tutmés IV |
| Thom Yorke | Thom Yorke |
| Thomas | Tomé |
| Thomas a Kempis | Tomás de Kempis |
| Thomas Abbt | Thomas Abbt |
| Thomas Bayes | Thomas Bayes |
| Thomas Becket | Thomas Becket |
| Thomas Bernhard | Thomas Bernhard |
| Thomas Burke | Tom Burke |
| Thomas Cajetanus | Tomás Caetano |
| Thomas Carlyle | Thomas Carlyle |
| Thomas County | Condado de Thomas |
| Thomas de stoomlocomotief | Thomas o trem azul |
| Thomas Dekker | Thomas Dekker |
| Thomas Edison | Thomas Edison |
| Thomas Friedman | Thomas Friedman |
| Thomas Gainsborough | Thomas Gainsborough |
| Thomas Girtin | Thomas Girtin |
| Thomas Gray | Thomas Gray |
| Thomas Hardy | Thomas Hardy |
| Thomas Harris | Thomas Harris |
| Thomas Hitzlsperger | Thomas Hitzlsperger |
| Thomas Hobbes | Thomas Hobbes |
| Thomas Hunt Morgan | Thomas Hunt Morgan |
| Thomas Huxley | Thomas Henry Huxley |
| Thomas Häßler | Thomas Häßler |
| Thomas Jefferson | Thomas Jefferson |
| Thomas Klestil | Thomas Klestil |
| Thomas Kuhn | Thomas Kuhn |
| Thomas Malory | Thomas Malory |
| Thomas Malthus | Thomas Malthus |
| Thomas Mann | Thomas Mann |
| Thomas Merton | Thomas Merton |
| Thomas More | Thomas More |
| Thomas Muster | Thomas Muster |
| Thomas Müntzer | Thomas Müntzer |
| Thomas Nagel | Thomas Nagel |
| Thomas Paine | Thomas Paine |
| Thomas Pynchon | Thomas Pynchon |
| Thomas Raffles | Thomas Stamford Raffles |
| Thomas Reid | Thomas Reid |
| Thomas Sackville | Thomas Sackville |
| Thomas Sankara | Thomas Sankara |
| Thomas Seebeck | Thomas Johann Seebeck |
| Thomas Sørensen | Thomas Sørensen |
| Thomas Tallis | Thomas Tallis |
| Thomas van Aquino | Tomás de Aquino |
| Thomas van Woodstock | Tomás de Woodstock |
| Thomas Vinterberg | Thomas Vinterberg |
| Thomas Wyatt | Thomas Wyatt |
| Thomas Young | Thomas Young |
| Thomasboro | Thomasboro |
| Thomaston | Thomaston |
| Thomasville | Thomasville |
| Thomisme | Tomismo |
| Thompson | Thompson |
| Thompson Falls | Thompson Falls |
| Thompson pistoolmitrailleur | Submetralhadora Thompson |
| Thompsonville | Thompsonville |
| Thoms Place | Thoms Place |
| Thomson | Thomson |
| Thomsongazelle | Gazela-de-thomson |
| Thonhausen | Thonhausen |
| Thonotosassa | Thonotosassa |
| Thor | Thor |
| Thor Heyerdahl | Thor Heyerdahl |
| Thora | Torá |
| Thora Birch | Thora Birch |
| Thoralf Skolem | Thoralf Skolem |
| thorax | peito |
| Thoraxchirurgie | Cirurgia cardiovascular |
| Thoreau | Thoreau |
| Thorin Eikenschild | Thorin |
| Thorismund | Turismundo |
| thorium | tório |
| Thorne Bay | Thorne Bay |
| Thornhill | Thornhill |
| Thornton | Thornton |
| Thorntown | Thorntown |
| Thorsby | Thorsby |
| Thorstein Veblen | Thorstein Veblen |
| Thoth | Tot |
| Thousand Oaks | Thousand Oaks |
| Thousand Palms | Thousand Palms |
| Thracisch | Língua trácia |
| Thracië | Trácia |
| Thraciërs | Trácios |
| Thranduil | Thranduil |
| Thrasymachos | Trasímaco |
| thread | thread |
| Three days grace | Three Days Grace |
| Three Forks | Three Forks |
| Three Lakes | Three Lakes |
| Three Mile Island | Three Mile Island |
| Three Oaks | Three Oaks |
| Three Points | Three Points |
| Three Rivers | Three Rivers |
| Three Stooges | Three Stooges |
| thriller | suspense |
| Throckmorton County | Condado de Throckmorton |
| Thrombotische thrombocytopenische purpura | Púrpura trombocitopênica idiopática |
| Through the Looking Glass | Through the Looking Glass |
| Thubten Gyatso | Thubten Gyatso |
| Thucydides | Tucídides |
| thuis | em casa |
