| unieważnienie | cancellation |
| uniewinniać | acquit |
| unieść się | rise |
| Unified Threat Management | Unified threat management |
| UNIFIL | United Nations Interim Force in Lebanon |
| uniform | uniform |
| Uniform Resource Locator | Uniform Resource Locator |
| Uniform Resource Name | Uniform Resource Name |
| Unigenitus | Unigenitus |
| Unigraphics | Ugs nx |
| unikalna | unique |
| unikalne | unique |
| unikalny | unique |
| unikameralny | unicameral |
| unikanie | avoidance |
| unikanie podatków | tax avoidance |
| unikat | unique |
| unikatowy | unique |
| unikać | avoid |
| Unilever | Unilever |
| Unimak | Unimak Island |
| Unimog | Unimog |
| Union | Union |
| Union Cycliste Internationale | Union Cycliste Internationale |
| Union Deportiva Almería | UD Almería |
| Union Magdalena Santa Marta | Unión Magdalena |
| Union Nationale | National Union |
| Union Sunchales | Club Atlético Unión de Sunchales |
| Union-find | Disjoint-set data structure |
| Unipotencja | Unipotency |
| Uniq | Uniq |
| Unisys Corporation | Unisys |
| UNITA | UNITA |
| unitarianizm | Unitarianism |
| Unitatis redintegratio | Unitatis Redintegratio |
| United Airlines | United Airlines |
| United Center | United Center |
| United Cinemas International | United Cinemas International |
| United Fruit Company | United Fruit Company |
| United Nations Relief and Rehabilitation Administration | United Nations Relief and Rehabilitation Administration |
| United Parcel Service | United Parcel Service |
| United States Air Force | United States Air Force |
| United States Census Bureau | United States Census Bureau |
| United States Code | United States Code |
| United States European Command | United States European Command |
| United States Geological Survey | United States Geological Survey |
| United States Naval Academy | United States Naval Academy |
| United States Navy | United States Navy |
| United States Navy SEALs | United States Navy SEALs |
| United States Secret Service | United States Secret Service |
| United States Securities and Exchange Commission | United States Securities and Exchange Commission |
| United Technologies Corporation | United Technologies Corporation |
| United World Chart | United World Chart |
| Universal Carrier | Universal Carrier |
| Universal Description Discovery and Integration | Universal Description Discovery and Integration |
| Universal Media Disc | Universal Media Disc |
| Universal Mobile Telecommunications System | Universal Mobile Telecommunications System |
| Universal Music Group | Universal Music Group |
| Universal Product Code | Universal Product Code |
| Universala Esperanto-Asocio | World Esperanto Association |
| Universidad Concepcion | Club Deportivo Universidad de Concepción |
| Universidad de Chile Santiago | Club de Fútbol Universidad de Chile |
| Universidad de Oriente | Universidad de Oriente |
| Universidad San Martín Lima | Universidad San Martín de Porres |
| Universitario Lima | Universitario de Deportes |
| Universitario Sucre | Club Universitario |
| Universitatea Craiova | FC Universitatea Craiova |
| Universiteit Leiden | Leiden University |
| Universiteit van Amsterdam | Universiteit van Amsterdam |
| University of London | University of London |
| University of Virginia | University of Virginia |
| Université Blaise-Pascal | Blaise Pascal University |
| Uniwersalia językowe | Linguistic universal |
| Uniwersalna Klasyfikacja Dziesiętna | Universal Decimal Classification |
| Uniwersalne okręty desantowe typu Tarawa | Tarawa class amphibious assault ship |
| Uniwersalne okręty desantowe typu Wasp | Wasp class amphibious assault ship |
| uniwersalny | universal |
| Uniwersalny czas koordynowany | Coordinated Universal Time |
| Uniwersalny karabin maszynowy | General purpose machine gun |
| Uniwersał połaniecki | Proclamation of Połaniec |
| Uniwersjada | Universiade |
| Uniwersum Diuny | Dune universe |
| Uniwersum Herbranda | Herbrand universe |
| Uniwersum konstruowalne | Constructible universe |
| uniwersytet | academy |
| Uniwersytet Aarhus | University of Aarhus |
| Uniwersytet Alberty | University of Alberta |
| Uniwersytet Albertyna w Królewcu | Kant Russian State University |
| Uniwersytet Arizony | University of Arizona |
| Uniwersytet Autonomiczny w Barcelonie | Autonomous University of Barcelona |
| Uniwersytet Bar-Ilan | Bar-Ilan University |
| Uniwersytet Bazylejski | University of Basel |
| Uniwersytet Ben-Guriona | Ben-Gurion University of the Negev |
| Uniwersytet Boloński | University of Bologna |
| Uniwersytet Bostoński | Boston University |
| Uniwersytet Botswany | University of Botswana |
| Uniwersytet Brock | Brock University |
| Uniwersytet Browna | Brown University |
| Uniwersytet Bundeswery | University of the German Federal Armed Forces |
| Uniwersytet Cambridge | University of Cambridge |
| Uniwersytet Carleton | Carleton University |
| Uniwersytet Chicagowski | University of Chicago |
| Uniwersytet Chulalongkorn | Chulalongkorn University |
| Uniwersytet Clemson | Clemson University |
| Uniwersytet Columbia | Columbia University |
| Uniwersytet Cornella | Cornell University |
| Uniwersytet Cypryjski | University of Cyprus |
| Uniwersytet Dalhousie | Dalhousie University |
| Uniwersytet Duke'a | Duke University |
| Uniwersytet Edynburski | University of Edinburgh |
| Uniwersytet Egejski | University of the Aegean |
| Uniwersytet Europy Południowo-Wschodniej | South East European University |
| Uniwersytet Gallaudeta | Gallaudet University |
| Uniwersytet Gdański | Gdańsk University |
| Uniwersytet Georgetown | Georgetown University |
| Uniwersytet Guelph | University of Guelph |
| Uniwersytet Hajfy | University of Haifa |
| Uniwersytet Hamline | Hamline University |
| Uniwersytet Harvarda | Harvard University |
| Uniwersytet Hebrajski | Hebrew University of Jerusalem |
| Uniwersytet Helsiński | University of Helsinki |
| Uniwersytet Humboldtów w Berlinie | Humboldt University of Berlin |
| Uniwersytet Illinois w Chicago | University of Illinois at Chicago |
| Uniwersytet Indiany | Indiana University |
| Uniwersytet Islandzki | University of Iceland |
| Uniwersytet Jagielloński | Jagiellonian University |
| Uniwersytet Jana Gutenberga w Moguncji | Johannes Gutenberg University of Mainz |
| Uniwersytet Joensuu | University of Joensuu |
| Uniwersytet Johanna Wolfganga Goethego we Frankfurcie | Johann Wolfgang Goethe University of Frankfurt am Main |
| Uniwersytet Johnsa Hopkinsa | Johns Hopkins University |
| Uniwersytet Kalifornijski | University of California |
| Uniwersytet Kardynała Stefana Wyszyńskiego | Cardinal Stefan Wyszyński University in Warsaw |
| Uniwersytet Karola | Charles University in Prague |
| Uniwersytet Kazimierza Wielkiego w Bydgoszczy | Kazimierz Wielki University in Bydgoszcz |
| Uniwersytet Keio | Keio University |
| Uniwersytet Kijowski | Kiev University |
| Uniwersytet Kolumbii Brytyjskiej | University of British Columbia |
| Uniwersytet Komeńskiego w Bratysławie | Comenius University in Bratislava |
| Uniwersytet Kopenhagi | University of Copenhagen |
| Uniwersytet Laval | Université Laval |
| Uniwersytet Lipski | University of Leipzig |
| Uniwersytet Londyński | University of London |
| Uniwersytet ludowy | Folk high school |
| Uniwersytet Ludwiga Maximiliana w Monachium | Ludwig Maximilian University of Munich |
| Uniwersytet Lwowski | Lviv University |
| Uniwersytet Marii Curie-Skłodowskiej w Lublinie | Maria Curie-Skłodowska University |
| Uniwersytet Masaryka | Masaryk University |
| Uniwersytet McGill | McGill University |
| Uniwersytet McMaster | McMaster University |
| Uniwersytet Medyczny w Łodzi | Medical University of Łódź |
| Uniwersytet Michigan | University of Michigan |
| Uniwersytet Mikołaja Kopernika | Nicolaus Copernicus University in Toruń |
| Uniwersytet Miskatonic | Miskatonic University |
| Uniwersytet Montrealu | Université de Montréal |
| Uniwersytet Moskiewski | Moscow State University |
| Uniwersytet Nawarry | University of Navarra |
| Uniwersytet Northwestern | Northwestern University |
| Uniwersytet Notre Dame | University of Notre Dame |
| Uniwersytet Nowojorski | New York University |
| Uniwersytet Nysa | Neisse University |
| Uniwersytet Oksfordzki | University of Oxford |
| Uniwersytet Oradejski | University of Oradea |
| Uniwersytet Ostrawski | University of Ostrava |
| Uniwersytet Otto Friedricha w Bambergu | University of Bamberg |
| Uniwersytet Pavla Jozefa Šafárika w Koszycach | University of Pavol Jozef Šafárik |
| Uniwersytet Pekiński | Peking University |
| Uniwersytet Pensylwanii | University of Pennsylvania |
| Uniwersytet Południowego Pacyfiku | University of the South Pacific |
| Uniwersytet Preszowski | University of Prešov |
| Uniwersytet Princeton | Princeton University |
| Uniwersytet Rice | Rice University |
| Uniwersytet Rzeszowski | Rzeszów University |
| Uniwersytet Sankore | Sankore Madrasah |
| Uniwersytet Simona Frasera | Simon Fraser University |
| Uniwersytet Stanforda | Stanford University |
| Uniwersytet Suffolk | Suffolk University |
| Uniwersytet Sussex | University of Sussex |
| Uniwersytet Tasmański | University of Tasmania |
| Uniwersytet Techniczny w Berlinie | Technical University of Berlin |
| Uniwersytet Techniczny w Dreźnie | Dresden University of Technology |
| Uniwersytet Techniczny w Monachium | Technical University of Munich |
| Uniwersytet Tel Awiwu | Tel Aviv University |
| Uniwersytet Tirański | University of Tirana |
| Uniwersytet Tohoku | Tohoku University |
| Uniwersytet Toronto | University of Toronto |
| Uniwersytet Trzeciego Wieku | University of the Third Age |
| Uniwersytet Turku | University of Turku |
| Uniwersytet Vanderbilt | Vanderbilt University |
| Uniwersytet Viadrina | Viadrina European University |
| Uniwersytet Virginia Commonwealth | Virginia Commonwealth University |
| Uniwersytet w Bernie | University of Bern |
| Uniwersytet w Białymstoku | University of Białystok |
| Uniwersytet w Bielefeldzie | Bielefeld University |
| Uniwersytet w Caen | University of Caen Lower Normandy |
| Uniwersytet w Coimbrze | University of Coimbra |
| Uniwersytet w Debreczynie | University of Debrecen |
| Uniwersytet w Getyndze | Georg-August University of Göttingen |
| Uniwersytet w Gießen | University of Giessen |
| Uniwersytet w Greifswaldzie | University of Greifswald |
| Uniwersytet w Göteborgu | Göteborg University |
| Uniwersytet w Karlsruhe | University of Karlsruhe |
| Uniwersytet w Lipsku | University of Leipzig |
| Uniwersytet w Marburgu | University of Marburg |
| Uniwersytet w Nottingham | University of Nottingham |
| Uniwersytet w Oslo | University of Oslo |
| Uniwersytet w Padwie | University of Padua |
| Uniwersytet w Pawii | University of Pavia |
| Uniwersytet w Peczu | University of Pécs |
| Uniwersytet w Pittsburghu | University of Pittsburgh |
| Uniwersytet w Stirling | University of Stirling |
| Uniwersytet w Sydney | University of Sydney |
| Uniwersytet w Szegedzie | University of Szeged |
| Uniwersytet w Sztokholmie | Stockholm University |
| Uniwersytet w Tartu | University of Tartu |
| Uniwersytet w Umeå | Umeå University |
| Uniwersytet w Uppsali | Uppsala University |
| Uniwersytet w Växjö | Växjö University |
| Uniwersytet w Zagrzebiu | University of Zagreb |
| Uniwersytet Warmińsko-Mazurski w Olsztynie | University of Warmia and Mazury in Olsztyn |
| Uniwersytet Warszawski | University of Warsaw |
| Uniwersytet Waterloo | University of Waterloo |
| Uniwersytet we Fryburgu | Albert Ludwigs University of Freiburg |
| Uniwersytet Wesleyan | Ohio Wesleyan University |
| Uniwersytet Wiedeński | University of Vienna |
| Uniwersytet Wileński | Vilnius University |
| Uniwersytet Wrocławski | University of Wrocław |
| Uniwersytet Yale'a | Yale University |
| Uniwersytet York | York University |
| Uniwersytet Zachodniego Ontario | University of Western Ontario |
| Uniwersytet Zambijski w Lusace | University of Zambia |
| Uniwersytet Łódzki | University of Łódź |
| Uniwersytet Śląski | University of Silesia |
| Uniwersytety na Węgrzech | List of universities in Hungary |
| Uniwersytety w Belgii | List of universities in Belgium |
| Uniwersytety w Gruzji | List of universities in Georgia |
| Uniwersytety w Hiszpanii | List of universities in Spain |
| Uniwersytety w Irlandii | List of universities in the Republic of Ireland |
