| Theodor Beza | Theodore Beza |
| Theodor Fontane | Theodor Fontane |
| Theodor Friedrich Detlev Kliefoth | Theodor Friedrich Dethlof Kliefoth |
| Theodor Herzl | Theodor Herzl |
| Theodor Heuss | Theodor Heuss |
| Theodor I | Pope Theodore I |
| Theodor I Lascaris | Theodore I Laskaris |
| Theodor II | Pope Theodore II |
| Theodor Kocher | Emil Theodor Kocher |
| Theodor Leschetizky | Teodor Leszetycki |
| Theodor Meynert | Theodor Meynert |
| Theodor Mommsen | Theodor Mommsen |
| Theodor Storm | Theodor Storm |
| Theodor Tugai | Teuvo Tulio |
| Theodora | Theodora |
| Theodora Porphyrogenita | Theodora |
| Theodore Dalrymple | Anthony Daniels |
| Theodore Dreiser | Theodore Dreiser |
| Theodore Maiman | Theodore Harold Maiman |
| Theodore Racing | Theodore Racing |
| Theodore Roosevelt | Theodore Roosevelt |
| Theodore Schultz | Theodore Schultz |
| Theodore Sturgeon | Theodore Sturgeon |
| Theodore von Kármán | Theodore von Kármán |
| Theodore William Richards | Theodore William Richards |
| Theodoro Obiang Nguema Mbasogo | Teodoro Obiang Nguema Mbasogo |
| Theodorus | Antipope Theodore |
| Theodosius | Theodosius |
| Theodosius I | Theodosius I |
| Theodosius II | Theodosius II |
| Theodosius III | Theodosios III |
| Theofilos | Theophilos |
| Theofilos III av Jerusalem | Patriarch Theophilos III of Jerusalem |
| Theofrastos | Theophrastus |
| Theokritos | Theocritus |
| Theon | Aelius Theon |
| Theophanis Lamboukas | Theophanis Lamboukas |
| Theophilus Presbyter | Theophilus Presbyter |
| Theravada | Theravada |
| There Is Nothing Left to Lose | There Is Nothing Left to Lose |
| theremin | theremin |
| Therese | Teresa |
| Therese av Sachsen-Hildburghausen | Therese of Saxe-Hildburghausen |
| Therese Borssén | Therese Borssén |
| Therese Grankvist | Therese Grankvist |
| Theresienstadt | Theresienstadt concentration camp |
| Theria | Theria |
| Thermal Design Power | Thermal Design Power |
| Thermopyle | Thermopylae |
| Theron | Theron of Acragas |
| Theropoder | Theropoda |
| Thersites | Thersites |
| Therwil | Therwil |
| Theseus | Theseus |
| Theseusskeppet | Ship of Theseus |
| thesis | thesis |
| Thespis | Thespis |
| Thesprotia | Thesprotia |
| Thessalien | Thessaly |
| thessaloniker | Thessalonian |
| Thessaloniki | Thessaloniki |
| Thessalonikis tunnelbana | Thessaloniki Metro |
| Theta | Theta |
| Thetan | Thetan |
| Thetis | Thetis |
| They All Laughed | They All Laughed |
| Theys Hiyo Eluay | Theys Eluay |
| THG | Tetrahydrogestrinone |
| Thiago Motta | Thiago Motta |
| Thibaut I av Navarra | Theobald I of Navarre |
| Thich Nhat Hahn | Nhat Hanh |
| Thierachern | Thierachern |
| Thierrens | Thierrens |
| Thierry Boutsen | Thierry Boutsen |
| Thierry Henry | Thierry Henry |
| Thietmar av Merseburg | Thietmar of Merseburg |
| Thieu Tri | Thieu Tri |
| Thimothée Atouba | Timothée Atouba |
| Thimphu | Thimphu |
| Thin Lizzy | Thin Lizzy |
| Thing | Sex |
| Thingol | Thingol |
| Think Nordic | Think Nordic |
| ThinkFree Office | ThinkFree Office |
| Thinking Day | World Thinking Day |
| thinner | thinner |
| Third-person shooter | Third-person shooter |
| Thiruvananthapuram | Thiruvananthapuram |
| This is England | This Is England |
| This is Hardcore | This Is Hardcore |
| This Is Spinal Tap | This Is Spinal Tap |
| This Is the Remix | This Is the Remix |
| This Land is Your Land | This Land Is Your Land |
| This Used to Be My Playground | This Used to Be My Playground |
| Thisted kommun | Thisted |
| Thisteds kommun | Thisted municipality |
| Thiès | Thiès |
| Thollyar | Tolarsh |
| Tholos | Beehive tomb |
| Thom Yorke | Thom Yorke |
| Thomanerchor | Thomanerchor |
| Thomas a Kempis | Thomas à Kempis |
| Thomas Addison | Thomas Addison |
| Thomas Anders | Thomas Anders |
| Thomas Arne | Thomas Arne |
| Thomas av Aquino | Thomas Aquinas |
| Thomas av Celano | Thomas of Celano |
| Thomas barndomsevangelium | Infancy Gospel of Thomas |
| Thomas Becket | Thomas Becket |
| Thomas Bernhard | Thomas Bernhard |
| Thomas Berthold | Thomas Berthold |
| Thomas Cajetan | Thomas Cardinal Cajetan |
| Thomas Carlyle | Thomas Carlyle |
| Thomas County | Thomas County |
| Thomas Cranmer | Thomas Cranmer |
| Thomas De Quincey | Thomas de Quincey |
| Thomas Dekker | Thomas Dekker |
| Thomas Doll | Thomas Doll |
| Thomas Edison | Thomas Edison |
| Thomas Fincke | Thomas Fincke |
| Thomas Gainsborough | Thomas Gainsborough |
| Thomas Gray | Thomas Gray |
| Thomas H Weller | Thomas Huckle Weller |
| Thomas Haas | Tommy Haas |
| Thomas Hardy | Thomas Hardy |
| Thomas Harris | Thomas Harris |
| Thomas Henderson | Thomas James Henderson |
| Thomas Henry Huxley | Thomas Henry Huxley |
| Thomas Hitzlsperger | Thomas Hitzlsperger |
| Thomas Hobbes | Thomas Hobbes |
| Thomas Horsfield | Thomas Horsfield |
| Thomas Häßler | Thomas Häßler |
| Thomas Jane | Thomas Jane |
| Thomas Jefferson | Thomas Jefferson |
| Thomas Kingo | Thomas Hansen Kingo |
| Thomas Klestil | Thomas Klestil |
| Thomas Kretschmann | Thomas Kretschmann |
| Thomas Lawrence | Thomas Lawrence |
| Thomas Malory | Thomas Malory |
| Thomas Mann | Thomas Mann |
| Thomas Merton | Thomas Merton |
| Thomas Moore | Thomas Moore |
| Thomas More | Thomas More |
| Thomas Muster | Thomas Muster |
| Thomas Müntzer | Thomas Müntzer |
| Thomas Nagel | Thomas Nagel |
| Thomas och vännerna | Thomas the Tank Engine and Friends |
| Thomas Paine | Thomas Paine |
| Thomas Phillips | Thomas Spencer Vaughan Phillips |
| Thomas Pitt | Thomas Pitt |
| Thomas Pynchon | Thomas Pynchon |
| Thomas Ravelli | Thomas Ravelli |
| Thomas Reid | Thomas Reid |
| Thomas Reiter | Thomas Reiter |
| Thomas Robert Bugeaud de la Piconnerie | Thomas Robert Bugeaud |
| Thomas Robert Malthus | Thomas Malthus |
| Thomas Rundqvist | Thomas Rundqvist |
| Thomas Samuel Kuhn | Thomas Samuel Kuhn |
| Thomas Sankara | Thomas Sankara |
| Thomas Schelling | Thomas Schelling |
| Thomas Seebeck | Thomas Johann Seebeck |
| Thomas Selfridge | Thomas Etholen Selfridge |
| Thomas Sowell | Thomas Sowell |
| Thomas Sørensen | Thomas Sørensen |
| Thomas Vanek | Thomas Vanek |
| Thomas Vinterberg | Thomas Vinterberg |
| Thomas Wade | Thomas Francis Wade |
| Thomas Wassberg | Thomas Wassberg |
| Thomas Wolfe | Thomas Wolfe |
| Thomas Wolsey | Thomas Wolsey |
| Thomas Woolner | Thomas Woolner |
| Thomas Young | Thomas Young |
| Thomism | Thomism |
| Thomond | Thomond |
| Thompson | Thompson submachine gun |
| Thomson | Thomson SA |
| Thomsons atommodell | Plum pudding model |
| Thor | Thor |
| Thor Heyerdahl | Thor Heyerdahl |
| Thor Vilhjálmsson | Thor Vilhjálmsson |
| thorax | breast |
| Thorbjørn Jagland | Thorbjørn Jagland |
| Thorgal | Thorgal |
| Thornton Wilder | Thornton Wilder |
| Thorstein Veblen | Thorstein Veblen |
| Thorvald Stauning | Thorvald Stauning |
| Those Who Must Be Kept | Akasha |
| Thot | Thoth |
| Thraker | Thracians |
| Thrakien | Thrace |
| Thrakiska | Thracian language |
| Thranduil | Thranduil |
| Three Cheers for Sweet Revenge | Three Cheers for Sweet Revenge |
| Three Days Grace | Three Days Grace |
| Three Kings | Three Kings |
| Three to Tango | Three to Tango |
| Threskiornis | Threskiornis |
| thriller | thriller |
| Thriller - en grym film | Thriller - en grym film |
| Thruxton Circuit | Thruxton Circuit |
| Thrymr | Thrymr |
| Thua Thien-Hue | Thua Thien-Hue Province |
| Thug Life | Thug Life |
| Thukydides | Thucydides |
| Thule | Thule |
| Thulesällskapet | Thule Society |
| Thun | Thun |
| Thundercats | ThunderCats |
| Thunsjön | Lake Thun |
| Thunstetten | Thunstetten |
| Thurgau | Thurgau |
| Thurn und Taxis | Thurn und Taxis |
| Thursday Next | Thursday Next |
| Thusis | Thusis |
| Thutmosis I | Thutmose I |
| Thutmosis II | Thutmose II |
| Thutmosis III | Thutmose III |
| Thutmosis IV | Thutmose IV |
| THX | THX |
| Thyatira | Akhisar |
| Thyborøn-Harboøre kommun | Thyborøn-Harboøre |
| Thyesthes | Thyestes |
| Thyholms kommun | Thyholm municipality |
| thymus | thymus |
| Thyone | Thyone |
| Thyreophorer | Thyreophora |
| ThyssenKrupp | ThyssenKrupp |
| Théoden | Théoden |
| Théodore Chassériau | Théodore Chassériau |
| Théodore Guérin | Théodore Guérin |
| Théodore Géricault | Théodore Géricault |
| Théophile Gautier | Théophile Gautier |
| Thérèse av Jesusbarnet | Thérèse de Lisieux |
| Thích Quảng Đức | Thich Quang Duc |
| Thórsdrápa | Þórsdrápa |
| Thônex | Thônex |
| Thörigen | Thörigen |
| Thüringen | Thuringia |
