| tuíste | twist |
| tuíte | tweet |
| TV | television |
| TV a laser | Laser TV |
| TV Mezzo | Mezzo TV |
| Tv On The Radio | TV on the Radio |
| TV Tokyo | TV Tokyo |
| Tvashtar | Tvashtar Paterae |
| Tvedestrand | Tvedestrand |
| Tver | Tver |
| Tverskoy | Tverskoy District |
| TVes | TVes |
| TVG | TVG |
| TVI | Televisão Independente |
| TVP | Telewizja Polska |
| TVR Griffith | TVR Griffith |
| Tvrdošín | Tvrdošín District |
| Twashtri | Tvastar |
| tweed | tweed |
| tweeter | tweeter |
| Twelve Monkeys | Twelve Monkeys |
| Twentynine Palms Base | Marine Corps Air Ground Combat Center Twentynine Palms |
| twi | Twi |
| Twickenham Stadium | Twickenham Stadium |
| Twin Peaks | Twin Peaks |
| Twinings of London | Twinings |
| Twip | Twip |
| Two and a Half Men | Two and a Half Men |
| Two Guys and a Girl | Two Guys and a Girl |
| Two International Finance Centre | International Finance Centre |
| Two penny blue | Two pence blue |
| Two Seas Records | Two Seas Records |
| Two Weeks Notice | Two Weeks Notice |
| Tycho Brahe | Tycho Brahe |
| Tydal | Tydal |
| Tygers Of Pan Tang | Tygers of Pan Tang |
| Tyler Durden | Fight Club |
| Tylototriton verrucosus | Tylototriton verrucosus |
| Tyndall AFB | Tyndall Air Force Base |
| Tyne and Wear | Tyne and Wear |
| Tynset | Tynset |
| Type O Negative | Type O Negative |
| Typhaceae | Typha |
| Typhlonectidae | Typhlonectidae |
| Typhlopidae | Typhlopidae |
| Tyr | Tyr |
| Tyra Banks | Tyra Banks |
| Tyrannosauridae | Tyrannosauridae |
| Tyresö | Tyresö Municipality |
| Tyrfing | Tyrfing |
| Tyrrell | Tyrrell Racing |
| Tysfjord | Tysfjord |
| Tysnes | Tysnes |
| Tyson Gay | Tyson Gay |
| Tyson Ritter | Tyson Ritter |
| Tystnaden | The Silence |
| Tysvær | Tysvær |
| Tytonidae | Tytonidae |
| Tzanís Tzannetákis | Tzannis Tzannetakis |
| tzarina | tsarina |
| tzarismo | tsarism |
| Tzeniut | Tzniut |
| Tzimmes | Tzimmes |
| Tzipi Livni | Tzipi Livni |
| Tzitzit | Tzitzit |
| Tzvetan Todorov | Tzvetan Todorov |
| Tàrrega | Tàrrega |
| tá | yep |
| tábua | board |
| tábua (de pinho) | tablet |
| tábua corrida | floorboard |
| tábua de assoalho | floorboard |
| tábua de classificação | ranking |
| tábua de cortar | chopping board |
| Tábua de esmeralda | Emerald Tablet |
| Tábua de integrais | Table of integrals |
| tábua de morbidade | morbidity table tablet |
| tábua de mortalidade | mortality table tablet |
| tábua de passar roupa | ironing board |
| tábua de revestimento | clapboard |
| tábuae bilhars | board |
| tábula rasa | tabula rasa |
| Tácita | Larunda |
| tácito | tacit |
| tácito bilhars | tacitook |
| táctica | tactic |
| Táctica militar | Strategy |
| táctilaeeques | leaky |
| Táhirih | Táhirih |
| tálamo | thalamus |
| Tálassa | Thalassa |
| Tália | Thalia |
| tálio | thallium |
| Tálus | Talus bone |
| tántalo | tantalum |
| táquion | tachyon |
| Tárique | Tariq ibn-Ziyad |
| társio | tarsier |
| tártaro | calculus |
| tártaro da Crimeia | Crimean Tatar |
| Tártu | Tartu |
| Tássos Papadópoulos | Tassos Papadopoulos |
| tática | tactic |
| tática de terra abrasada | scorched-earth policy |
| táticas | tactics |
| tático | diplomatic |
| tátil | tactful |
| táuon | tauon |
| Távola Redonda | Round Table (legend)l |
| táxi | taxi |
| táxi-esteja | cab-stand |
| táxi-excitador | taxi-driver |
| Táxon | Taxon |
| táxonde marionetes | taxonlfowic |
| tâmara | date |
| tâmia | chipmunk |
