| Themis | Temida |
| Themisto | Temisto |
| Themistocles | Temistokles |
| Thenardiet | Tenardyt |
| Theo | Teodor |
| Theo Dannecker | Theodor Dannecker |
| Theo Middelkamp | Theofiel Middelkamp |
| Theo van Gogh | Theo van Gogh |
| Theo Walcott | Theo Walcott |
| Theobald I van Bar | Tybald IV |
| Theobald I van Blois | Tybald IV |
| Theobald I van Lotharingen | Tybald IV |
| Theobald II van Lotharingen | Tybald V |
| Theobald II van Navarra | Tybald V |
| Theobald III van Blois | Tybald IV |
| Theobald III van Champagne | Tybald III |
| Theobald IV van Blois | Tybald II z Szampanii |
| Theobald IV van Champagne | Tybald IV |
| Theobald von Bethmann Hollweg | Theobald von Bethmann-Hollweg |
| Theobald Wolfe Tone | Theobald Wolfe Tone |
| Theobromine | Teobromina |
| Theocritus | Teokryt |
| Theoderik I | Teoderyk I |
| Theoderik II | Teodoryk Wielki |
| Theodewald I | Teudoald |
| theodicee | teodycea |
| Theodoor de Bry | Théodore de Bry |
| Theodor Adorno | Theodor Adorno |
| Theodor Fontane | Theodor Fontane |
| Theodor Herzl | Theodor Herzl |
| Theodor Heuss | Theodor Heuss |
| Theodor Mommsen | Theodor Mommsen |
| Theodor Rosetti | Theodor Rosetti |
| Theodor Schwann | Theodor Schwann |
| Theodor Storm | Theodor Storm |
| Theodor Svedberg | Theodor Svedberg |
| Theodora | Teodora |
| Theodora I | Teodora |
| Theodora II | Teodora |
| Theodora Megale Komnene | Teodora Komnena |
| Theodore Kaczynski | Theodore Kaczynski |
| Theodore Maiman | Theodore Maiman |
| Theodore Roosevelt | Theodore Roosevelt |
| Theodore Sturgeon | Theodore Sturgeon |
| Theodore T-Bag Bagwell | Theodore T-Bag Bagwell |
| Theodore William Richards | Theodore William Richards |
| Theodoretus van Cyrrhus | Teodoret z Cyru |
| Theodorik | Teodoryk |
| Theodorik de Grote | Teodoryk Wielki |
| Theodoros I Laskaris | Teodor I Laskarys |
| Theodoros II Laskaris | Teodor II Laskarys |
| Theodoros Zagorakis | Theodoros Zagorakis |
| Theodorus | Teodor |
| Theodorus Beza | Teodor de Bèze |
| Theodorus II van Ethiopië | Teodor II |
| Theodorus van Cyrene | Teodor z Cyreny |
| Theodorus van Tarsus | Teodor z Tarsu |
| Theodosius | Teodozjusz |
| Theodosius Dobzhansky | Theodosius Dobzhansky |
| Theodosius I | Teodozjusz I Wielki |
| Theodosius II | Teodozjusz II |
| Theodosius III | Teodozjusz III |
| theofanie | teofania |
| Theofanis Gekas | Theofanis Gekas |
| Theognis | Teognis z Megary |
| Theogonia | Teogonia |
| Theogonie | Teogonia |
| theologe | teolog |
| theologie | teologia |
| theologisch | teologiczny |
| theoloog | teolog |
| TheOpenCD | TheOpenCD |
| Theophanu | Teofano |
| Theophilos | Teofil |
| Theophilus | Teofil |
| Theophilus van Byzantium | Teofil |
| Theophrastus | Teofrast |
| theorema | twierdzenie |
| Theorema van Bayes | Twierdzenie Bayesa |
| Theorema van Norton | Twierdzenie Nortona |
| Theorema van Thevenin | Twierdzenie Thevenina |
| theoreticus | teoretyk |
| theoretisch | teoretyczny |
| Theoretische chemie | Chemia teoretyczna |
| Theoretische informatica | Teoria obliczeń |
| Theoretische natuurkunde | Fizyka teoretyczna |
| theorie | teoria |
| theosofie | teozofia |
| Theosofische Vereniging | Towarzystwo Teozoficzne |
| Theotokos | Matka Boża |
| Thera | Santoryn |
| therapeut | terapeuta |
| therapie | terapia |
| Therapsida | Terapsydy |
| Theravada | Theravada |
| There Is Nothing Left To Lose | There Is Nothing Left to Lose |
| Theremin | Theremin |
| Theres | Theres |
| Therese Neumann | Teresa Neumann |
| Theresia Kunigunde Sobieska | Teresa Kunegunda Sobieska |
| Theresia van Avila | Teresa z Ávila |
| Theresia van Bourbon-Sicilië | Teresa Burbon-Sycylijska |
| Theresia van Lisieux | Teresa z Lisieux |
| Theresia van Oostenrijk | Maria Teresa Habsburg |
| Theresia van Saksen-Hildburghausen | Teresa Sachsen-Hildburghausen |
| Theresienstadt | Terezín |
| Theriiformes | Ssaki żyworodne |
| Therizinosaurus | Terizinozaur |
| Thermen | Termy |
| Thermen van Caracalla | Termy Karakalli |
| Thermen van Diocletianus | Termy Dioklecjana |
| Thermidor | Thermidor |
| Thermiek | Termiczny |
| thermiet | termit |
| Thermietlassen | Aluminotermia |
| Thermionische emissie | Emisja termoelektronowa |
| Thermische geleidbaarheid | Przewodność cieplna |
| Thermische overdrachtsprinter | Drukarka termotransferowa |
| thermistor | termistor |
| Thermobarisch wapen | Bomba paliwowo-powietrzna |
| Thermocline | Metalimnion |
| thermodynamica | termodynamika |
| Thermografie | Termografia |
| Thermohaliene circulatie | Cyrkulacja termohalinowa |
| Thermoharder | Duromer |
| Thermokoppel | Termopara |
| Thermoluminescentie | Metoda termoluminescencyjna |
| thermometer | termometr |
| Thermopylae | Termopile |
| Thermoregulatie | Termoregulacja |
| thermosfeer | termosfera |
| Theropoda | Teropody |
| Thersites | Tersytes |
| thesaurier | skarbnik |
| thesaurus | tezaurus |
| these | teza |
| Theseus | Tezeusz |
| Thesmophoria | Tesmoforie |
| Thessalië | Tesalia |
| Thessaloniki | Saloniki |
| Thetis | Tetyda |
| Theuderik I | Teoderyk I |
| Theuderik I van Austrasië | Teoderyk I |
| Theuderik IV | Teuderyk IV |
| Theudoald | Teudoald |
| theïsme | teizm |
| Thiago Motta | Thiago Motta |
| Thich Nhat Hanh | Thich Nhat Hanh |
| Thick As A Brick | Thick as a Brick |
| Thierhaupten | Thierhaupten |
| Thierrens | Thierrens |
| Thierry Henry | Thierry Henry |
| Thierry la Fronde | Thierry Śmiałek |
| Thiers | Thiers |
| Thiersheim | Thiersheim |
| Thierstein | Thierstein |
| Thieux | Thieux |
| thijm | tymianek |
| Thijs | Maciej |
| Thil | Thil |
| Thimerosal | Thiomersal |
| Thimphu | Thimphu |
| Thin client | Cienki klient |
| Thin Film Transistor | TFT |
| Thin Lizzy | Thin Lizzy |
| Thiofeen | Tiofen |
| Thiol | Tiole |
| Thionylchloride | Chlorek tionylu |
| Third person shooter | Third-person shooter |
| Third Watch | Brygada ratunkowa |
| Thiron Gardais | Thiron Gardais |
| Thirteen | Trzynastka |
| This Used To Be My Playground | This Used to Be my Playground |
| Thixotropie | Tiksotropia |
| Thièvres | Thièvres |
| Thoetmoses I | Totmes I |
| Thoetmoses II | Totmes II |
| Thoetmoses IV | Totmes IV |
| Thoetmosis I | Totmes I |
| Thoetmosis II | Totmes II |
| Thoetmosis III | Totmes III |
| Thoetmosis IV | Totmes IV |
| Thom Yorke | Thom Yorke |
| Thomas | Tomasz |
| Thomas a Kempis | Tomasz z Kempis |
| Thomas Abbt | Thomas Abbt |
| Thomas Arne | Thomas Augustine Arne |
| Thomas Bayes | Thomas Bayes |
| Thomas Becket | Thomas Becket |
| Thomas Bernhard | Thomas Bernhard |
| Thomas Browne | Thomas Browne |
| Thomas Burke | Tom Burke |
| Thomas Carlyle | Thomas Carlyle |
| Thomas County | Hrabstwo Thomas |
| Thomas Cranmer | Thomas Cranmer |
| Thomas Cromwell | Thomas Cromwell |
| Thomas de stoomlocomotief | Tomek i przyjaciele |
| Thomas Dewey | Thomas Dewey |
| Thomas Doll | Thomas Doll |
| Thomas Edison | Thomas Alva Edison |
| Thomas Edward Lawrence | Thomas Edward Lawrence |
| Thomas Gainsborough | Thomas Gainsborough |
| 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 Joannes Stieltjes Jr | Thomas Joannes Stieltjes |
| Thomas Klestil | Thomas Klestil |
| Thomas Kuhn | Thomas Kuhn |
| Thomas Malory | Thomas Malory |
| Thomas Malthus | Thomas Malthus |
| Thomas Mann | Thomas Mann |
| Thomas Marshall | Thomas Marshall |
| Thomas Merton | Thomas Merton |
| Thomas More | Thomas More |
| Thomas Muster | Thomas Muster |
| Thomas Müntzer | Thomas Münzer |
| Thomas Nagel | Thomas Nagel |
| Thomas Paine | Thomas Paine |
| Thomas Pitt | Thomas Pitt |
| Thomas Pynchon | Thomas Pynchon |
| Thomas Ravelli | Thomas Ravelli |
| Thomas Reid | Thomas Reid |
| Thomas Sankara | Thomas Sankara |
| Thomas Schelling | Thomas Schelling |
| Thomas Simpson | Thomas Simpson |
| Thomas Sowell | Tomasz Sowell |
| Thomas Stonewall Jackson | Thomas Jackson |
| Thomas Sørensen | Thomas Sørensen |
| Thomas Tallis | Thomas Tallis |
| Thomas van Aquino | Tomasz z Akwinu |
| Thomas van Savoye | Tomasz II Zaremba |
| Thomas van Villanova | Tomasz z Villanueva |
| Thomas Vermaelen | Thomas Vermaelen |
| Thomas Vinterberg | Thomas Vinterberg |
