| thorax | boezem |
| Thorbjørn Jagland | Thorbjørn Jagland |
| Thorfinn Karlsefni | Thorfinn Karlsefni |
| Thorgal | Thorgal |
| Thorigny-sur-le-Mignon | Thorigny-sur-le-Mignon |
| Thorin II Écu-de-Chêne | Thorin Eikenschild |
| Thorismond | Thorismund |
| thorium | thorium |
| Thornton | Thornton |
| Thorstein Veblen | Thorstein Veblen |
| Thortveitite | Thortveitiet |
| Thot | Thoth |
| Thoune | Thun |
| Thourioi | Thurii |
| Thousand Oaks | Thousand Oaks |
| Thoutmôsis | Tutmoses |
| Thoutmôsis Ier | Thoetmosis I |
| Thoutmôsis II | Thoetmosis II |
| Thoutmôsis III | Thoetmosis III |
| Thoutmôsis IV | Thoetmosis IV |
| Thrace | Thracië |
| Thraces | Thraciërs |
| Thranduil | Thranduil |
| Thrasamund | Thrasamund |
| Thrash metal | Thrash metal |
| Thrasher | Thrasher Magazine |
| Thrasybule | Thrasybulus van Athene |
| Thrasymaque | Thrasymachos |
| Thrawn | Traun |
| Three Days Grace | Three days grace |
| Three Mile Island | Three Mile Island |
| Threskiornis molucca | Australische witte ibis |
| Threskiornithidae | Ibissen en lepelaars |
| thrombocyte | trombocyt |
| thrombocytopénie | trombocytopenie |
| Thrombolyse | Trombolyse |
| Thrombophilie par mutation du facteur V | Factor V Leiden |
| thrombose | trombose |
| thrombose coronarienne | coronair trombose |
| Thrombose veineuse profonde | Diep-veneuze trombose |
| thrombus | trombose |
| ThrustSSC | Thrust SSC |
| Thrymr | Thrymr |
| Thrymskvida | Þrýmskviða |
| Thryonomys | Rietratten |
| Thubten Chökyi Nyima | Erdeni Choekyi Nyima |
| Thubten Gyatso | Thubten Gyatso |
| Thucydide | Thucydides |
| Thug | Thuggee |
| Thug Life | Thug Life |
| Thuit | Le Thuit |
| Thujone | Thujon |
| Thule | Thule |
| thulium | thulium |
| Thulé | Thule |
| Thumeries | Thumeries |
| Thun | Thun |
| Thunbergia | Thunbergia |
| Thunbergia alata | Suzanne-met-de-mooie-ogen |
| Thunderbird | Thunderbird |
| Thunderbirds | Thunderbirds |
| Thundorf | Thundorf |
| Thunnus maccoyii | Zuidelijke blauwvintonijn |
| Thunnus thynnus | Blauwvintonijn |
| Thunstetten | Thunstetten |
| Thur | Thur |
| Thurgovie | Thurgau |
| Thuringe | Thüringen |
| Thuringes | Thüringers |
| Thurn und Taxis | Thurn und Taxis |
| Thury | Thury |
| Thusis | Thusis |
| Thuya | Levensboom |
| Thuya géant | Reuzenlevensboom |
| Thuya géant de Californie | Reuzenlevensboom |
| Thyeste | Thyestes |
| Thylacinidae | Buidelwolven |
| Thylacinus cynocephalus | Buidelwolf |
| Thylacoleo | Thylacoleo |
| Thylakoïde | Thylakoïde |
| Thylogale | Pademelons |
| Thylogale billardierii | Roodbuikpademelon |
| Thylogale stigmatica | Roodpootpademelon |
| thym | tijm |
| Thymallus | Vlagzalm |
| Thymelaeaceae | Peperboompjesfamilie |
| Thymine | Thymine |
| thymus | zwezerik |
| Thyoné | Thyone |
| thyratron | thyratron |
| Thyreophora | Thyreophora |
| thyristor | thyristor |
| Thyropteridae | Hechtschijfvleermuizen |
| thyroïde | schildklier |
| Thyréostimuline | Thyroïdstimulerend hormoon |
| Thysanoptera | Tripsen |
| Thysanoures | Franjestaarten |
| Thysanura | Franjestaarten |
| ThyssenKrupp AG | ThyssenKrupp |
| Thèbes | Thebe |
| Thècle du bouleau | Sleedoornpage |
| Thècle du chêne | Eikenpage |
| Thècle du coudrier | Pruimenpage |
| thème | onderwerp |
| thème de discussion | onderwerp van gesprek |
| thèse | bewering |
| Thèse de Church | Church-Turing-hypothese |
| Thèse de Church-Turing | Church-Turing-hypothese |
| thèse de doctorat | dissertatie |
| Thèses sur Feuerbach | Stellingen over Feuerbach |
| thé | thee |
| Thé du Labrador | Rhododendron groenlandicum |
| Thé Oolong | Oolong |
| thé vert | groene thee |
| thé à la camomille | kamillethee |
| Théano | Theano |
| Théano fille de Cissée | Theano |
| Thébé | Thebe |
| Théia | Theia |
| théier | theestruik |
