UK most often refers to the United Kingdom, a country in Northwestern Europe.
UK, U.K., Uk, or uk may also refer to:
Arts and media U.K. (band), a progressive rock supergroup U.K. (album), by U.K. UK Records, a record label Ultrakill, a FPS game
Educational institutions Charles University (), in Prague, Czech Republic Comenius University (), in Bratislava, Slovakia Kongo University (), in the Democratic Republic of the Congo Universidad Argentina John F. Kennedy, Argentina University of Kara, Togo University of Kashmir, India University of Kentucky, United States University of Kragujevac, Serbia
Language Uk (Cyrillic), a digraph in early Cyrillic alphabet uk, the Ukrainian language's ISO 639-1 code or World Congress of Esperanto
Places Uttarakhand, a state of India Uttara Kannada district, Karnataka, India Uk, an urban-type settlement in Irkutsk Oblast, Russia
Other uses .uk, the United Kingdom's top-level Internet domain UK (ICAO airport codes), airports in Ukraine Vistara (IATA airline code UK)
See also United Kingdom (disambiguation)