KLU may refer to:

• Klagenfurt Airport, the IATA code KLU
• Koninklijke Luchtmacht (KLu), the military aviation branch of the Netherlands Armed Forces
• klu, the ISO 639-3 code for Klao language
• Kühne Logistics University, a state-recognized business school and university based in Hamburg, Germany

This disambiguation page lists articles associated with the title KLU.
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