| Tulip Bowl | Tulip Bowl |
| Tuliszków | Tuliszków |
| Tulku | Tulku |
| Tullamore | Tullamore |
| Tulln | Tulln |
| Tulln an der Donau | Tulln an der Donau |
| Tullus Hostilius | Tullus Hostilius |
| Tulnici | Tulnici |
| tulp | tulip |
| Tulpenboomfamilie | Magnoliaceae |
| Tulpenrevolutie | Tulip Revolution |
| Tulpstekker | RCA connector |
| Tulu | Tulu language |
| Tulum | Tulum |
| Tumbameer | Lake Tumba |
| Tumbarumba Shire Council | Tumbarumba Shire Council |
| Tumbes | Tumbes Region |
| tumbler | tumbler |
| Tumbuka | Tonga people of Malawi |
| tumor | tumor |
| Tumor necrosis factor | Tumor necrosis factor-alpha |
| Tumorsuppressorgen | Tumor suppressor gene |
| tumult | trouble |
| tumultueus | uproarious |
| tumulus | barrow |
| Tumut Shire Council | Tumut Shire Council |
| Tunau | Tunau |
| Tunbridge Wells | Royal Tunbridge Wells |
| Tuncay Şanlı | Tuncay Şanlı |
| Tunceli | Tunceli province |
| Tuned mass damper | Tuned mass damper |
| tuner | tuner |
| Tunesisch | Tunisian |
| Tunesisch voetbalelftal | Tunisia national football team |
| Tunesische | Tunisian |
| Tunesische dinar | Tunisian dinar |
| Tunesische landschildpad | Tunisian Spur-thighed Tortoise |
| Tunesië | Tunisia |
| Tunesië en het Eurovisie Songfestival | Tunisia in the Eurovision Song Contest |
| Tunesiër | Tunisian |
| Tungurahua | Tungurahua Province |
| tuniek | tunic |
| Tuning | Car modding |
| Tuningen | Tuningen |
| Tuninter | Sevenair |
| Tunis | Tunis |
| Tunisair | Tunisair |
| Tunja | Tunja |
| tunnel | tunnel |
| Tunnel van Sarajevo | Sarajevo Tunnel |
| Tunnelboormachine | Tunnel boring machine |
| tunnelbouw | tunnelling |
| Tunneleffect | Quantum tunnelling |
| Tunnelingprotocol | Tunnel |
| Tuntenhausen | Tuntenhausen |
| Tunuyán | Tunuyán |
| Tuojiangosaurus | Tuojiangosaurus |
| Tuol Sleng | Tuol Sleng Genocide Museum |
| Tuol Sleng Museum | Tuol Sleng Genocide Museum |
| Tuomas Holopainen | Tuomas Holopainen |
| Tupac Shakur | Tupac Shakur |
| Tupamaros | Tupamaros |
| Tupan | Tapan |
| Tupi | Tupi |
| Tupolev | Tupolev |
| Tupungato | Tupungato |
| Tur Abdin | Tur Abdin |
| Turan | Turan |
| Turandot | Turandot |
| Turbenthal | Turbenthal |
| turbine | turbine |
| turbinestraalmotor | turbojet |
| Turbinidae | Turbinidae |
| Turbo McKwek | Launchpad McQuack |
| Turbo Pascal | Turbo Pascal |
| TurboBASIC | Turbo BASIC |
| Turbocode | Turbo code |
| turbocompressor | turbocharger |
| Turbodiesel Direct Injection | Turbocharged Direct Injection |
| Turbofan | Jet engine |
| turbojet | turbojet |
| turbojet-vliegtuig | turbojet |
| Turbomachine | Turbomachinery |
| Turboméca | Turbomeca |
| turboprop | turboprop |
| turboprop-machine | turboprop |
| turboprop-vliegtuig | turboprop |
| turboshaft | turboshaft |
| turbulent | turbulent |
