• Ku Klux Klan, white supremacy group(s)
• The ancient Chinese Emperor Ku of Three August Ones and Five Emperors
• Universities:
• The University of Kansas (USA)
• Kandahar University (Afghanistan)
• Kettering University (Flint, MI, USA)
• Kean University (Union, NJ, USA)
• Kismayo University (Somalia)
• Klaipėda University (Lithuania)
• Korea University (South Korea)
• Korea University (Japan)
• The University of Karachi (Pakistan)
• Kasetsart University (Thailand)
• The University of Copenhagen (Københavns Universitet) (Denmark)
• Kanagawa University (Japan)
• Kuwait University (Kuwait)
• Kutztown University (Kutztown, PA, USA)
• , a type of city subdivision
• The K_u band of microwave radio frequencies in the electromagnetic spectrum
• Kuwait Airways (IATA code)
• Kū, or Kū-ka-ili-moku, the Hawaiian god of war
• Ku of Oahu, 15th century sovereign king of Oahu
• Kurdish language in the ISO 639 (alpha-2) code for language names
• Ku (language), a constructed language created for the 2005 film The Interpreter
• Ku (kana), romanisation of the Japanese kana く and ク
• Konstitutionsutskottet, the Committee on the Constitution of the Swedish parliament
• 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
• The Khonds, an aboriginal tribe of India
• Ku, the proposed chemical symbol for kurchatovium (later named rutherfordium).
• Slangs:
• Ku or Kuu, Japanese Pop-star Koda Kumi's nickname give by her fans.
• A shortened version of cool (used in instant messaging)
• Kose-Uuemõisa, Estonia
• Kū, another form for the Japanese Kyū, the number nine, and a term in martial arts.

See also

• Coup (disambiguation), pronounced /ku:/
• Coo