| thumbtack | pinezka |
| Thumos | Thymos |
| Thun | Thun |
| Thunbergia | Tunbergia |
| thunder | grom |
| Thunderball | Operacja Piorun |
| Thunderbirds | Thunderbirds |
| thunderbolt | piorun |
| Thundercracker | Thundercracker |
| Thundering applause | Salve |
| Thunderstick | Thunderstick |
| thunderstorm | burza |
| Thunnus | Tuńczyki |
| Thurgau | Turgowia |
| Thurgood Marshall | Thurgood Marshall |
| Thurii | Turioj |
| Thuringia | Turyngia |
| Thuringian Forest | Las Turyński |
| Thurmansbang | Thurmansbang |
| Thurn and Taxis | Thurn und Taxis |
| Thurn und Taxis | Thurn und Taxis |
| Thursday | czwartek |
| Thursdays | Czwartek |
| Thurston County | Hrabstwo Thurston |
| Thurston Island | Wyspa Thurstona |
| thus | dlatego |
| Thus Spake Zarathustra | Tako rzecze Zaratustra |
| Thus Spoke Zarathustra | Tako rzecze Zaratustra |
| Thusis | Thusis |
| Thutmose | Totmes |
| Thutmose I | Totmes I |
| Thutmose II | Totmes II |
| Thutmose III | Totmes III |
| Thutmose IV | Totmes IV |
| THX | THX |
| thy | twój |
| Thyatira | Akhisar |
| Thyborøn-Harboøre | Gmina Thyborøn-Harboøre |
| Thyestes | Tiestes |
| Thyholm municipality | Gmina Thyholm |
| Thylacine | Wilk workowaty |
| Thylacinidae | Wilki workowate |
| Thylacinus | Wilki workowate |
| Thylacoleo | Lew workowaty |
| thyme | macierzanka |
| Thymelaeaceae | Wawrzynkowate |
| Thymine | Tymina |
| thymol | tymol |
| Thymolphthalein | Tymoloftaleina |
| thymus | grasica |
| Thymus praecox | Macierzanka piaskowa |
| Thyone | Thyone |
| Thyra | Tyra Danebod |
| Thyreophora | Tyreofory |
| Thyrnau | Thyrnau |
| thyroid | tarczyca |
| thyroid gland | tarczyca |
| thyrsus | tyrs |
| Théoden | Théoden |
| Théodore Chassériau | Théodore Chassériau |
| Théodore Guérin | Théodore Guérin |
| Théodore Géricault | Théodore Géricault |
| Théodore Rousseau | Théodore Rousseau |
| Théodore-Adrien Sarr | Théodore-Adrien Sarr |
| Théodwyn | Théodwina |
| Théophile Gautier | Théophile Gautier |
| Théophile Steinlen | Théophile Alexandre Steinlen |
| Théophraste Renaudot | Théophraste Renaudot |
| Thérouanne | Thérouanne |
| Thérèse de Lisieux | Teresa z Lisieux |
| Thônex | Thônex |
| Thüngen | Thüngen |
| Ti plasmid | Plazmid Ti |
| Tia Carrere | Tia Carrere |
| Tia Hellebaut | Tia Hellebaut |
| Tia Maria | Tia Maria |
| Tiachiv | Tiacziw |
| Tiago Mendes | Tiago Mendes |
| Tiago Monteiro | Tiago Monteiro |
| Tiamat | Tiamat |
| Tian Shan | Tien-szan |
| Tian Tan Buddha | Budda Tian Tan |
| Tiananmen Square | Plac Tiananmen |
| Tianeptine | Tianeptyna |
| Tianjin | Tiencin |
| Tianzhenosaurus | Tianzhenozaur |
| Tiaret | Tijarat |
| Tiaret Province | Prowincja Tijarat |
| Tiasmyn River | Tiasmin |
| Tiber | Tyber |
| Tiberias | Tyberiada |
| Tiberina Republic | Republika Tyberyńska |
| Tiberinus | Tiberinus |
| Tiberinus Silvius | Tiberinus |
| Tiberios III | Tyberiusz III |
| Tiberius | Tyberiusz |
| Tiberius Claudius Narcissus | Narcyz |
| Tiberius Gemellus | Tyberiusz Klaudiusz Gemellus |
| Tiberius Gracchus | Tyberiusz Grakchus |
| Tiberius Gracchus Major | Tyberiusz Grakchus |
| Tiberius I | Tyberiusz |
| Tiberius II Constantine | Tyberiusz II Konstantyn |
| Tiberius Julius Alexander | Tyberiusz Juliusz Aleksander |
| Tiberius Nero | Tyberiusz |
| Tiberius Sempronius Gracchus | Tyberiusz Grakchus |
| Tiberius Sempronius Longus | Tytus Semproniusz Longus |
