Ku, KU, Kū or ku may refer to:

• The University of Kansas (USA)
• Kettering University (Flint, MI, USA)
• Korea University (South Korea)
• The University of Karachi (Pakistan)
• Kasetsart University (Thai)
• University of Copenhagen (Københavns Universitet) (Denmark)
• Kansai University (Japan)
• Kuwait University (Kuwait)
• A ward (区) in a Japanese city
• The K_u band of microwave radio frequencies in the electromagnetic spectrum
• Kuwait Airways (IATA code)
• Kū (mythology), the Hawaiian god of war
• Kurdish language in the ISO 639 (alpha-2) code for language names
• Ku - a constructed language created for the 2005 film The Interpreter
• A shortened version of cool (used in instant messaging)
• The ancient Chinese Emperor Ku of Three August Ones and Five Emperors
• Konstitutionsutskottet, the Constitutional Committee of the Swedish Riksdag
• Kommunistisk Ungdom (Communist Youth), the former name of the Swedish Young Left.
• Konservativ Ungdom, the Young Conservatives (Denmark)
• Ku (protein), a protein involved in DNA repair
• Ku, the original name of the Privilege nightclub in Ibiza

Ku | KU | KU | KU