| uniek | unico |
| Uniek factorisatiedomein | Anello a fattorizzazione unica |
| unificatie | alleanza |
| Unified Modeling Language | Unified Modeling Language |
| uniform | regolare |
| Uniform Resource Identifier | Uniform Resource Identifier |
| Uniform Resource Locator | Uniform Resource Locator |
| Uniforme continuïteit | Continuità uniforme |
| Uniforme verdeling | Variabile casuale rettangolare |
| Uniformitarianisme | Uniformitarismo |
| uniformiteit | uniformità |
| uniformjas | giubba |
| Unihockey | Floorball |
| Unijunctiontransistor | Transistore unigiunzione |
| unilateraal | unilaterale |
| Unilever | Unilever |
| Union | Union |
| Union City | Union City |
| Union County | Contea di Union |
| Union Flag | Bandiera britannica |
| Union Internationale des Chemins de fer | Union Internationale des Chemins de Fer |
| Union Jack | Bandiera britannica |
| Union Luxemburg | Union Luxembourg |
| Union of European Football Associations | UEFA |
| Union pour la Démocratie Française | Unione per la Democrazia Francese |
| Union pour un Mouvement Populaire | Unione per un Movimento Popolare |
| Union Valdôtaine | Union Valdôtaine |
| Unione dei Democratici Cristiani e Democratici di Centro | Unione dei Democratici Cristiani e di Centro |
| Uniontown | Uniontown |
| Unirea | Unirea |
| uniseks | unisex |
| unisex | unisex |
| unisono | unisono |
| unitariste | unitariana |
| unitariër | unitariano |
| Unitary authority | Autorità unitaria |
| Unitatis redintegratio | Unitatis Redintegratio |
| United Airlines | United Airlines |
| United Fruit Company | Chiquita Brands International |
| United Nations Assistance Mission for Rwanda | UNAMIR |
| United Nations Conference on Trade and Development | Congresso delle Nazioni Unite sul Commercio e lo Sviluppo |
| United Nations Development Programme | Programma delle Nazioni Unite per lo Sviluppo |
| United Nations Human Settlements Programme | Programma delle Nazioni Unite per gli Insediamenti Umani |
| United Nations Institute for Training and Research | Istituto delle Nazioni Unite per la Formazione e la Ricerca |
| United Nations Interim Force In Lebanon | UNIFIL |
| United Nations Mission in Liberia | UNMIL |
| United Nations Relief and Rehabilitation Administration | United Nations Relief and Rehabilitation Administration |
| United Paramount Network | United Paramount Network |
| United Parcel Service | United Parcel Service |
| United States Air Force | United States Air Force |
| United States Army | United States Army |
| United States Census Bureau | United States Census Bureau |
| United States Coast Guard | United States Coast Guard |
| United States Department of Defense | United States Department of Defense |
| United States Geological Survey | United States Geological Survey |
| United States Marine Corps | United States Marine Corps |
| United States Navy | United States Navy |
| United States Soccer Federation | Federazione calcistica degli Stati Uniti |
| United Technologies Corporation | United Technologies Corporation |
| United World Chart | United World Chart |
| Unittesten | Unit testing |
| Univers | Univers |
| Univers Zero | Univers Zero |
| Universal Binary | Universal binary |
| Universal Description Discovery Integration | Universal Description Discovery and Integration |
| Universal Disk Format | Universal Disk Format |
| Universal Media Disc | Universal Media Disc |
| Universal Mobile Telecommunications System | Universal Mobile Telecommunications System |
| Universal Music Group | Universal Music Group |
| Universal Serial Bus | Universal Serial Bus |
| Universal Studios | Universal Studios |
| Universal Zulu Nation | Zulu Nation |
| Universala Esperanto-Asocio | Associazione Universale Esperanto |
| Universalisme | Universalismo |
| universeel | generale |
| Universele grammatica | Grammatica universale |
| Universele Transversale Mercatorprojectie | Proiezione Universale Trasversa di Mercatore |
| Universidad de Chile | Club de Fútbol Universidad de Chile |
| Universidad de Oriente | Universidad di Oriente |
| universitair | accademico |
| Universitario de Deportes | Universitario de Deportes |
| Universitatea Craiova | Universitatea Craiova |
| universiteit | accademia |
| Universiteit van Bologna | Università di Bologna |
| Universiteit van Californië | Università della California |
| Universiteit van Californië - Berkeley | Università della California |
| Universiteit van Cambridge | Università di Cambridge |
| Universiteit van Chicago | University of Chicago |
| Universiteit van Coimbra | Università di Coimbra |
| Universiteit van de Kunsten in Berlijn | Universität der Künste Berlin |
| Universiteit van Florence | Università degli Studi di Firenze |
| Universiteit van Florida | University of Florida |
| Universiteit van Genua | Università degli Studi di Genova |
| Universiteit van Georgetown | Georgetown University |
| Universiteit van Lausanne | Università di Losanna |
| Universiteit van Londen | Università di Londra |
| Universiteit van Miami | University of Miami |
| Universiteit van Montréal | Università di Montréal |
| Universiteit van Münster | Università di Münster |
| Universiteit van Nanjing | Università di Nanjing |
| Universiteit van Nanking | Università di Nanjing |
| Universiteit van Oxford | Università di Oxford |
| Universiteit van Pennsylvania | University of Pennsylvania |
| Universiteit van Pittsburgh | University of Pittsburgh |
| Universiteit van Salamanca | Università di Salamanca |
| Universiteit van Stockholm | Università di Stoccolma |
| Universiteit van Triëst | Università degli studi di Trieste |
| Universiteit van Virginia | Università della Virginia |
| Universiteit van Warschau | Università di Varsavia |
| Universiteit van Wenen | Università di Vienna |
| Universiteitsbibliotheek Graz | Biblioteca Universitaria di Graz |
| University College London | University College di Londra |
| University of Cambridge ESOL examination | English for Speakers of Other Languages |
| Universität für Musik und Darstellende Kunst Mozarteum Salzburg | Mozarteum |
| universum | mondo |
| Unix | Unix |
| União Leiria | União Leiria |
| Unkel | Unkel |
| Unken | Unken |
| Unlingen | Unlingen |
| UNMIK | United Nations Interim Administration Mission in Kosovo |
| UNPO | Organizzazione delle Nazioni e dei Popoli non rappresentati |
| Unreal Engine | Unreal Engine |
| UnrealEd | Unreal Editor |
| Unseburg | Unseburg |
| Unsere Liebe Frau im Walde-Sankt Felix | Senale-San Felice |
| Unserfrau-Altweitra | Unserfrau-Altweitra |
| Unsleben | Unsleben |
| unster | stadera |
| Unstrut-Hainich-Kreis | Unstrut-Hainich-Kreis |
| Unter den Linden | Unter den Linden |
| Unterach am Attersee | Unterach am Attersee |
| Unterallgäu | Bassa Algovia |
| Unterammergau | Unterammergau |
| Unterbergla | Unterbergla |
| Unterbäch | Unterbäch |
| Unterbözberg | Unterbözberg |
| Unterdietfurt | Unterdietfurt |
| Unterdießen | Unterdießen |
| Unteregg | Unteregg |
| Untereggen | Untereggen |
| Untereisesheim | Untereisesheim |
| Unterems | Unterems |
| Unterendingen | Unterendingen |
| Unterengstringen | Unterengstringen |
| Unterensingen | Unterensingen |
| Unterentfelden | Unterentfelden |
| Unterfladnitz | Unterfladnitz |
| Unterfrauenhaid | Unterfrauenhaid |
| Unterföhring | Unterföhring |
| Untergriesbach | Untergriesbach |
| Untergruppenbach | Untergruppenbach |
| Unterhaching | Unterhaching |
| Unteriberg | Unteriberg |
| Unterkaka | Unterkaka |
| Unterkirnach | Unterkirnach |
| Unterkohlstätten | Unterkohlstätten |
| Unterkulm | Unterkulm |
| Unterlangenegg | Unterlangenegg |
| Unterleinleiter | Unterleinleiter |
| Unterlunkhofen | Unterlunkhofen |
| Untermarchtal | Untermarchtal |
| Untermeitingen | Untermeitingen |
| Untermensch | Untermensch |
| Untermerzbach | Untermerzbach |
| Untermünkheim | Untermünkheim |
| Unternberg | Unternberg |
| Unterneukirchen | Unterneukirchen |
| Unterperfuss | Unterperfuss |
| Unterpleichfeld | Unterpleichfeld |
| Unterpremstätten | Unterpremstätten |
| Unterrabnitz-Schwendgraben | Unterrabnitz-Schwendgraben |
| Unterramsern | Unterramsern |
| Unterreichenbach | Unterreichenbach |
| Unterreit | Unterreit |
| Unterroth | Unterroth |
| Unterschleißheim | Unterschleißheim |
| Unterschneidheim | Unterschneidheim |
| Unterschwaningen | Unterschwaningen |
| Unterschächen | Unterschächen |
| Unterseen | Unterseen |
| Untersiebenbrunn | Untersiebenbrunn |
| Untersiemau | Untersiemau |
| Untersiggenthal | Untersiggenthal |
| Unterstadion | Unterstadion |
| Untersteckholz | Untersteckholz |
| Untersteinach | Untersteinach |
| Unterstinkenbrunn | Unterstinkenbrunn |
| Untertauern | Untertauern |
| Unterthingau | Unterthingau |
| Untertilliach | Untertilliach |
| Untervaz | Untervaz |
| Unterwachingen | Unterwachingen |
| Unterwalden | Canton Untervaldo |
| Unterwaldhausen | Unterwaldhausen |
| Unterwart | Unterwart |
| Unterweitersdorf | Unterweitersdorf |
| Unterweißenbach | Unterweißenbach |
| Unterwössen | Unterwössen |
| Unterägeri | Unterägeri |
| Untitled | Untitled |
| Untrasried | Untrasried |
| ununbium | ununbio |
| ununennium | ununennio |
