| Tummo | Tummo |
| Tumor | Tumor |
| tumult | tumult |
| Tumult toruński | Toruń Blood tribunal |
| Tuna Luso Belém | Tuna Luso Brasileira |
| Tunau | Tunau |
| Tunbergia | Thunbergia |
| Tuncay Şanlı | Tuncay Şanlı |
| tundra | tundra |
| Tundża | Tundzha |
| tunel | burrow |
| Tunel Chrystusa Zbawiciela | Cristo Redentor Tunnel |
| Tunel czasoprzestrzenny | Wormhole |
| Tunel drogowy Świętego Gotarda | Gotthard Road Tunnel |
| Tunel Lærdal | Lærdalstunnelen |
| Tunel Mont Blanc | Mont Blanc Tunnel |
| Tunel pod Cieśniną Beringa | Bering Strait bridge |
| Tunel Północnomujski | Severomuysky Tunnel |
| Tunel Seikan | Seikan Tunnel |
| Tunel Sozina | Sozina tunnel |
| Tunel Transatlantycki | Transatlantic tunnel |
| Tunelowanie Josephsona | Josephson effect |
| Tunezja | Tunisia |
| Tunezja w Konkursie Piosenki Eurowizji | Tunisia in the Eurovision Song Contest |
| Tunezyjczyk | Tunisian |
| Tunezyjka | Tunisian |
| tunezyjski | Tunisian |
| Tung Chee Hwa | Tung Chee Hwa |
| Tungoza | Tungiasis |
| tunika | tunic |
| Tuning | Engine tuning |
| Tuning samochodów | Car tuning |
| Tuningen | Tuningen |
| Tunis | Tunis |
| Tunisair | Tunisair |
| Tunja | Tunja |
| Tunku Abdul Rahman | Tunku Abdul Rahman |
| Tunnel du Fréjus | Fréjus Road Tunnel |
| Tuntenhausen | Tuntenhausen |
| Tuodziengozaur | Tuojiangosaurus |
| Tuomas Holopainen | Tuomas Holopainen |
| Tupac Amaru | Túpac Amaru |
| Tupac Amaru II | Túpac Amaru II |
| Tupac Huallpa | Tupac Huallpa |
| Tupac Shakur | Tupac Shakur |
| Tupac Yupanqui | Tupac Inca Yupanqui |
| Tupamaros | Tupamaros |
| tupet | cheek |
| Tupinambarana | Tupinambarana |
| Tupolew | Tupolev |
| Tupua Tamasese Tupuola Tufuga Efi | Tupuola Tufuga Efi |
| tur | urus |
| Turak białouchy | White-cheeked Turaco |
| Turan | Turan |
| Turandot | Turandot |
| Turanga Leela | Turanga Leela |
| turban | turban |
| Turbany | Turbinidae |
| turbina | turbine |
| Turbina Darrieusa | Darrieus wind turbine |
| Turbina Kaplana | Kaplan turbine |
| turbina parowa | steam turbine |
| Turbina Peltona | Pelton wheel |
| Turbina rotorowa Savoniusa | Savonius wind turbine |
| Turbina Tesli | Tesla turbine |
| Turbo Assembler | Turbo Assembler |
| Turbo Basic | Turbo BASIC |
| Turbo Direct Injection | Turbocharged Direct Injection |
| Turbo Pascal | Turbo Pascal |
| Turbo Vision | Turbo Vision |
| Turbofolk | Turbo-folk |
| Turc | Turkish |
| Turcja | Turkish |
| Turcja w Konkursie Piosenki Eurowizji | Turkey in the Eurovision Song Contest |
| Turcy | Turkish people |
| Turcy cypryjscy | Turkish Cypriots |
| Turda | Turda |
| Turecka Republika Północnego Cypru | Turkish Republic of Northern Cyprus |
| Turecka Wikipedia | Turkish Wikipedia |
| turecki | Turkish |
| Turecki van | Turkish Van |
| Tureckie Siły Zbrojne | Turkish Armed Forces |
| Turecká | Turecká |
| Turek | Turkish |
| Turenia | Touraine |
| Turgaj | Turgai River |
| Turgon | Turgon |
| Turgowia | Thurgau |
| Turiec | Turiec River |
| Turioj | Thurii |
| Turkan | King Eider |
| Turkana | Lake Turkana |
| turkawka | turtle |
| turkawka ' ' | turtle dove |
| Turkawka wschodnia | Oriental Turtle Dove |
| Turkiestan | Hazrat-e Turkestan |
| Turkiestańska Autonomiczna Socjalistyczna Republika Radziecka | Turkestan Autonomous Soviet Socialist Republic |
| Turkish Airlines | Turkish Airlines |
| Turkmen | Turkmen |
| Turkmeni | Turkmen people |
| Turkmenistan | Turkmenistan |
| Turkmenka | Turkmen |
| Turkmeńska Socjalistyczna Republika Radziecka | Turkmen SSR |
| Turks i Caicos | Turks and Caicos Islands |
| Turku | Turku |
| Turku Centralne | Turku Central railway station |
| turkus | cyan |
| turkusowy | turquoise |
| Turkuśniki | Fairy-bluebird |
| Turmity | Turmite |
| Turnej | Tournaisian |
| Turniej Czterech Narodów | Four Nations Tournament |
| Turniej Czterech Skoczni | Four Hills Tournament |
| Turniej Nordycki | Nordic Tournament |
| Turning Torso | Turning Torso |
| Turnov | Turnov |
| Turntablizm | Turntablism |
| Turnus | Line |
| turon | Turonian |
| Turpan | Turfan |
| Turpał Ali Atgerijew | Turpal-Ali Atgeriev |
| Turrialba | Turrialba Volcano |
| Tursiops | Tursiops |
| Tursunzoda | Tursunzoda |
| Turtle | Turtle |
| Turtmann | Turtmann |
| Turyn | Turin |
| Turyngia | Thuringia |
| turynka | Turinese |
| turysta | tourist |
| turystka | tourist |
| turystyczny | touristic |
| turystyka | tourism |
| Turystyka gejowska | LGBT tourism |
| Turystyka medyczna | Medical tourism |
| Turystyka w Buenos Aires | Tourism in Buenos Aires |
| Turystyka we Włoszech | Tourism in Italy |
| turystyka wodna | pleasure cruising |
| turyńczyk | Turinese |
| Turzovka | Turzovka |
| Turík | Turík |
| Turček | Turček |
| Turčianske Teplice | Turčianske Teplice |
| Turňa | Turňa River |
| Tusculum | Tusculum |
| Tussenhausen | Tussenhausen |
| Tustna | Tustna |
| tusz | ink |
| tusz do rzęs | mascara |
| Tuszkahoma | Red Warrior |
| Tuszyn | Tuszyn |
| Tuszyno | Tushino |
| tutaj | here |
| Tutajew | Tutayev |
| Tutanchamon | Tutankhamun |
| Tutenstein | Tutenstein |
| Tutkarzowate | Attelabidae |
| Tutsi | Tutsi |
| Tuttlingen | Tuttlingen |
| Tutzing | Tutzing |
| Tuvalu | Tuvalu |
| Tuvok | Tuvok |
| Tuwa | Tuva |
| Tuwalu | Tuvalu |
| tuwański | Tuvan |
| Tuwińcy | Tuvans |
| Tuwińska Autonomiczna Socjalistyczna Republika Radziecka | Tuva Autonomous Soviet Socialist Republic |
| Tuwiński Obwód Autonomiczny | Tuvan Autonomous Oblast |
| Tux | Tux |
| Tuxtla Gutiérrez | Tuxtla Gutiérrez |
| tuzin | dozen |
| tuziny | dozen |
| Tuzla | Tuzla |
| Tuzła | Tuzla Island |
| Tuğba Karademir | Tuğba Karademir |
| Tuła | Tula |
| tułów | trunk |
| tuńczyk | tuna |
| Tuńczyki | Tuna |
| tuż | almost |
| TV | TV |
| TV on the Radio | TV on the Radio |
| TV Polonia | TVP Polonia |
| Tvedestrand | Tvedestrand |
| TVXQ | TVXQ |
| TW | TW |
| Twa | Twa |
| Twarda spacja | Non-breaking space |
| twardo | firmly |
| Twardogóra | Twardogóra |
| Twardoszyn | Tvrdošín |
| Twardowski | Twardowski |
| Twardość | Hardness |
| Twardość w skali Mohsa | Mohs scale of mineral hardness |
| Twardość wody | Hardness of water |
| twardy | hard |
| twardy dysk | hard disk |
| twardy orzech do zgryzienia | a hard nut to crack |
| Twardzioszek | Marasmius |
| Twardzioszkowate | Marasmiaceae |
| twardówka | sclera |
| twarz | face |
| twarzą w twarz | face to face |
| twaróg | cottage cheese |
| Twee pop | Twee pop |
| Tweener | Tweener |
| Twer | Tver |
| Twerca | Tvertsa River |
