| The Tiber | Tibera |
| The Tower | Stolp |
| The Tragedy of Romeo and Juliet | Romeo in Julija |
| The Travels of Marco Polo | Milijon |
| The Troubadour | Trubadur |
| The Truth | Resnica |
| The Ugly Swans | Grdi labodi |
| The universe | Vesolje |
| The Vicar of Dibley | Vikarka iz Dibleya |
| The Vikings | Vikingi |
| The Village | Vas |
| The Wailers | The Wailers |
| The Way | Eon |
| The West Wing | Bela hiša |
| The Wisdom of Crowds | Modrost množic |
| the world | Zemlja |
| The X-Files | Dosjeji X |
| The Yakuza | Jakuze |
| Theater space reserved for the Senate | Orkester |
| Theatre | Gledališče |
| Theatre direction | Filmski režiser |
| Theatre of ancient Greece | Grško gledališče |
| Theban | Tebe |
| Thebe | Teba |
| Thebes | Egipt |
| Thee and thou | Tikati |
| theft | kraja |
| their | njihov |
| theirs | njíhov |
| Theirself | Si |
| Thelxinoe | Telksinoja |
| Themis | Temida |
| Themisto | Temisto |
| then | nató |
| theocracy | teokracija |
| Theocrasy | Teokracija |
| Theodolite | Teodolit |
| Theodor Morell | Theo Morell |
| Theodore | Theodore Racing |
| Theodore of Mopsuestia | Teodor iz Mopsuestije |
| Theodore Racing | Theodore Racing |
| Theodore Roosevelt | Theodore Roosevelt |
| Theodore von Kármán | Theodore von Kármán |
| Theodosius I | Teodozij I. |
| Theodosius of Bithynia | Teodozij |
| Theognis | Teognis |
| Theognis of Megara | Teognis |
| theology | teologija |
| Theorem | Izrek |
| Theorem of Pythagoras | Pitagorov izrek |
| theoretical | teorétičen |
| Theorie | Teorija |
| Theory | Teorija |
| Theory of cognition | Epistemologija |
| Theory of computation | Časovna zahtevnost |
| Theory of literature | Teorija |
| Theory of relativity | Splošna teorija relativnosti |
| Theory of special relativity | Posebna teorija relativnosti |
| Theotokos | Marija Božja mati |
| Therapeutic index | Terapevtski indeks |
| therapy | terapija |
| there | tam |
| there is | je |
| there's no place like home | povsod je lepo, a doma je najlepše |
| Theresian Military Academy | Terezijanska vojaška akademija |
| Thermal camera | Fotoaparat |
| Thermal element | Termočlen |
| thermal equipment | termalna oprema |
| thermal power plant | termoelektrarna |
| Thermal transfer | Prevajanje toplote |
| Thermo-couple | Termočlen |
| Thermodynamic cycle | Krožna sprememba |
| Thermodynamic free energy | Prosta energija |
| Thermodynamic system | Termodinamski sistem |
| thermodynamics | termodinamika |
| thermometer | toplomér |
| Theseus | Tezej |
| thesis | teza |
| Thessaloniki | Solun |
| Thessaly | Tesalija |
| Theta | Theta |
| Thetis | Tetis |
| they | one |
| Thiamine | Tiamin |
| Thibet | Tibet |
| thick | debel |
| thick as a brick | neumen kot noč |
