| thruway | motorvej |
| Thrymr | Trym |
| Thu | Don |
| Thucydides | Thukydid |
| thud | bump |
| Thuja | Thuja |
| Thuja occidentalis | Almindelig Thuja |
| Thuja plicata | Kæmpe-Thuja |
| Thujopsis | Hønsebenstræ |
| Thule | Thule |
| Thule Air Base | Thule Air Base |
| Thule Island | Thule |
| Thule people | Thule |
| Thule Society | Thuleselskabet |
| thulium | thulium |
| thumb | tommelfinger |
| Thumb-print | Fingeraftryk |
| Thumbelina | Tommelise |
| thumbnail | tommelfingernegl |
| thunder | torden |
| Thunderball | Thunderball |
| ThunderCats | ThunderCats |
| thunderstorm | tordenskylle |
| Thur | Torsdag |
| Thur River | Thur |
| Thuringia | Thüringen |
| Thurisaz | Jætte |
| Thurs | Torsdag |
| Thursday | torsdag |
| Thursdays | Torsdag |
| thus | så |
| THX | THX |
| thy | din |
| Thyborøn-Harboøre | Thyborøn-Harboøre Kommune |
| Thyestes | Thyestes |
| Thyholm municipality | Thyholm Kommune |
| Thylacine | Tasmansk pungulv |
| Thylacinidae | Tasmansk pungulv |
| Thylacinus | Tasmansk pungulv |
| Thyme | Timian |
| Thymelaeaceae | Dafne-familien |
| Thymine | Thymin |
| Thyone | Thyone |
| Thyra | Thyra Dannebod |
| Thyroid | Skjoldbruskkirtel |
| Théo van Rysselberghe | Théo van Rysselberghe |
| Théoden | Théoden |
| Théodore Guérin | Théodore Guérin |
| Théophile Gautier | Théophile Gautier |
| Thérèse de Lisieux | Thérèse af Lisieux |
| Tia Carrere | Tia Carrere |
| Tia Dalma | Tia Dalma |
| Tia Maria | Tia Maria |
| Tiananmen | Den Himmelske Freds Port |
| Tiananmen Square | Den Himmelske Freds Plads |
| Tianjin | Tianjin |
| Tiber | Tiberen |
| Tiberias | Tiberias |
| Tiberium | Tiberium |
| Tiberius | Tiberius |
| Tiberius Claudius Narcissus | Narkissos |
| Tiberius Gracchus | Gracchernes reformbevægelse |
| Tiberius Gracchus Major | Gracchernes reformbevægelse |
| Tiberius I | Tiberius |
| Tiberius Nero | Tiberius |
| Tiberius Sempronius Gracchus | Gracchernes reformbevægelse |
| Tibet | Tibet |
| Tibet Autonomous Region | Autonom Region Tibet |
| Tibetan | tibetansk |
| Tibetan antelope | Rådyr |
| Tibetan Buddhism | Tibetansk buddhisme |
| Tibetan Mastiff | tibetansk mastiff |
| Tibetan Terrier | Tibetansk terrier |
| Ticino | Kanton Ticino |
| Ticino River | Ticino |
| Tick-borne meningoencephalitis | TBE |
| ticket | billet |
