LTU

LTU may refer to:

Companies

 * LTU Austria (LTU Billa Lufttransport Unternehmen GmbH), a former airline in Vienna, Austria
 * LTU International, former German airline acquired by Air Berlin
 * LTU Technologies, software company

Sports

 * Littoisten Työväen Urheilijat, a sports club from Littoinen, Finland
 * LTU Aquatics, the national federation for Aquatics in body of swimming of Lithuania
 * LTU, the IOC country code for Lithuania
 * LTU, the ISO 3166-1 alpha-3 country code for Lithuania, used by FIFA

Universities

 * La Trobe University, university in Australia
 * Lawrence Technological University, university in Southfield, Michigan
 * Ling Tung University, university in Taichung, Taiwan
 * Louisiana Tech University, university in Ruston, Louisiana
 * Luleå University of Technology, university in Sweden

Other

 * ISO 639:ltu or Latu language, an Austronesian language spoken in Indonesia
 * Land treatment unit, term in bioremediation
 * Licence to use, type of intellectual property licence
 * LTU-Arena, former name of Merkur Spiel-Arena in Düsseldorf, Germany
 * IATA code for Latur Airport, India