| Una | Una (pleme) | Una (razločitev) |
| Una (razred podmornic) | Una corda | Unač |
| Unagi | Unam sanctam | Unani |
| Unarna operacija | Unarni številski sistem | Unas |
| Unasi | Unasova piramida | UNASUL |
| UNASUR | Unča | Unčani |
| Unška koliševka | Unbearable Conditions | Unbiunij |
| Unbiunium | UNC | Uncharted 2 |
| Unciala | Uncialna pisava | Uncinula necator |
| Uncle Sam | Uncle Tom's Cabin | Uncle Tom's Cabin; or, Life Among the Lowly |
| UNCTAD | Und | Undómiel |
| Undecima | Under Heavy Manners | Under My Skin (album, Avril Lavigne) |
| Under the Red Cloud | Underberg | Underworld Kingdom |
| Unešić | Unec | Unending (Zvezdna vrata SG-1) |
| UNESCO | Unesco | Unescova dediščina na Norveškem |
| Unescova dediščina v Indiji | Unescova svetovna dediščina | Unescova svetovna dediščina v Vietnamu |
| Unevine | UNFICYP | Unfinished Music No. 1: Two Virgins |
| Unfinished Music No.1: Two Virgins | Unfinished Tales | Unforgiven |
| Unger | Unguja | Ungulina rosea |
| Ungvár | UNHCR | Uniati |
| Uniatska cerkev | Uničenje Baturina | Uničenje jezu Kahovka |
| Uničenje Sodome in Gomore | Uničevalec tankov | Uničevalno taborišče |
| Uničevalno taborišče Jasenovac | Uničevalno taborišče Sobibór | Uničevanje sovražnikove protiletalske obrambe |
| Uničevanje spomenikov Aleksandra Puškina v Ukrajini | Unično | Uniše |
| União de Nações Sul-Americanas | Unión de Naciones Suramericanas | Unión Deportiva Las Palmas |
| Unica | Unica (reka) | UNICEF |
| Unicef | Unicelularen | Unicelularen organizem |
| Unicelularni | Unicelularni organizem | Unico Wilhelm van Wassenaer |
| Unicode | Unicode obseg | Unicode razpon |
| UNIDO | Unie van Zuid-Amerikaanse Naties | Uniejów |
| Uniejow | Unified Modelling Language | Uniform Resource Locator |
| Uniform Resource Locators | Uniforma | Uniformna antiprizmatična prizma |
| Uniformni polieder | Uniformni polihoron | Uniformni politop |
| Uniformni zvezdni polieder | Uniformno barvanje | Uniformno tlakovanje |
| Uniformolog | Uniformologija | Unigenitus |
| Unigraphics | Unija | Unija južnoameriških držav |
| Unija množic | Unija za Sredozemlje | Unije |
| Unije (naselje) | Unijerina | Unikod |
| UNIMARC | Unimodularna matrika | Unimog |
| Unio B. Sarlin | Unio crassus | Union Cycliste Internationale |
| Union Deportiva Las Palmas | Union Jack | Union List of Artist Names |
| Union of South American Nations | Union Olimpija | Union Pacific Railroad |
| Union pour un Mouvement Populaire | Unione Calcio Sampdoria | Unione Calcio Sampdoria S.p.A |
| Unione Sportiva Lecce | Unionville Seaforths | Unior |
| Unipolarna motnja | Unipolarni tranzistor | Unipotentna matrika |
| Unipotentnost | Unison | Unisonost |
| Unistohastična matrika | Unitarizem | Unitarna algebra |
| Unitarna matrika | Unitatis redintegratio | Unitatis Redintegratio |
| Unità d'Italia | United 93 (film) | United Aircraft Corporation |
| United Airlines | United Airlines let 93 | United Artists |
| United Church of Christ | United Kennel Club | United Kingdom |
| United States | United States Air Force | United States Army |
| United States Constitution | United States copyright law | United States Democratic Party |
| United States Department of Defense | United States dollar | United States Marine Corps |
| United States National Academy of Sciences | United States national basketball team | United States Naval Special Warfare Development Group |
| United States Navy | United States Navy SEALs | United States Secret Service |
| United States Special Operations Command | United States Virgin Islands | Unity |
| Univ. dipl. fizik | Univeritas Labacensis | Universal Media Disc |
| Universal Personal Telecommunications | Universal Pictures | Universal Serial Bus |
| Universal Studios | Universalis Ecclesiae | Universidade Federal de Minas Gerais |
| Universitas Alexandria | Universitas lingvarum Litvaniæ | Università Cattolica del Sacro Cuore |
| Universität für Musik und darstellende Kunst Wien | Universität Laibach | Université de Genève |
| Université de Lille | Université Paris Cité | Universiteit Leiden |
| University College London | University of British Columbia | University of California |
| University of California at Berkeley | University of California, Berkeley | University of California, Los Angeles |
| University of California, San Diego | University of California, San Francisco | University of Cambridge |
| University of Chicago | University of London | University of Michigan |
| University of Oxford | University of St Andrews | University of Washington |
| University of Wisconsin-Madison | Univerza | Univerza "Nikolaj Kuzanski" |
| Univerza al-Karauin | Univerza Atılım | Univerza »Nikolaj Kuzanski« |
| Univerza Bauhaus | Univerza Bío-Bío | Univerza Berkeley |
| Univerza Bifröst | Univerza Bocconi | Univerza Britanske Kolumbije |
| Univerza Cambridge | Univerza Columbia | Univerza Cornell |
| Univerza države Florida | Univerza Duke | Univerza Edvarda Kardelja v Ljubljani |
| Univerza Ernsta Moritza Arndta Greifswald | Univerza Floride | Univerza Friedricha Schillerja v Jeni |
| Univerza Göttingen | Univerza Grenoble Alpes | Univerza Harvard |
| Univerza Johns Hopkins | Univerza Johnsa Hopkinsa | Univerza Josipa Juraja Strossmayerja v Osijeku |
| Univerza Juraja Dobrile v Pulju | Univerza Kalifornije | Univerza Kalifornije, Berkeley |
| Univerza Kalifornije, Los Angeles | Univerza Kalifornije, San Diego | Univerza Kalifornije, San Francisco |
| Univerza Karla Marxa v Leipzigu | Univerza Kolumbija | Univerza Komenskega |
| Univerza Komenskega v Bratislavi | Univerza Kralja Aleksandra I. v Ljubljani | Univerza Kraljevine Srbov, Hrvatov in Slovencev v Ljubljani |
| Univerza McGill | Univerza McMaster | Univerza medicinskih znanosti Bakvijatala |
| Univerza Michigana | Univerza na Dunaju | Univerza na Primorskem |
| Univerza na Reki | Univerza Naresuan | Univerza Northwestern |
| Univerza Novo mesto | Univerza Oxford | Univerza Paris-Saclay |
| Univerza Pariz-Saclay | Univerza Pensilvanije | Univerza Princeton |
| Univerza PSL | Univerza Rockefeller | Univerza Severne Karoline v Chapel Hillu |
| Univerza Severne Karoline, Chapel Hill | Univerza Sorbonne | Univerza Stanford |
| Univerza Stony Brook | Univerza Sussex | Univerza Sussexa |
| Univerza sv. Cirila in Metoda v Skopju | Univerza sv. Klimenta Ohridskega v Bitoli | Univerza Tübingen |
| Univerza v Aberystwythu | Univerza v Augsburgu | Univerza v Ženevi |
| Univerza v Bambergu | Univerza v Banja Luki | Univerza v Barceloni |
| Univerza v Bayreuthu | Univerza v Benetkah | Univerza v Beogradu |
| Univerza v Berlinu | Univerza v Bologni | Univerza v Bratislavi |
| Univerza v Cambridgeu | Univerza v Cambridgu | Univerza v Celovcu |
| Univerza v Chicagu | Univerza v Copenhagnu | Univerza v Dubrovniku |
| Univerza v Edinburghu | Univerza v Edinburgu | Univerza v Freiburgu |
| Univerza v Göttingenu | Univerza v Gradcu | Univerza v Hamburgu |
| Univerza v Hannovru | Univerza v Heidelbergu | Univerza v Houstonu |
| Univerza v Innsbrucku | Univerza v Jeni | Univerza v Kölnu |
