'''AIU''' may refer to: * Akita International University, an English-language public university in Akita, Japan * AlAlamein International University, a national University in New Alamein, Egypt * Allegheny Intermediate Unit, a branch of the Pennsylvania Department of Education * ''Alliance Israélite Universelle'', a Jewish educational and civil rights organization based in Paris * Alliant International University, an American for-profit university based in San Diego, California * American Idol Underground, former name of Artist Underground * American InterContinental University, an American for-profit university * American Industrial Union, a short-lived labor organization established in 1895 * American International Underwriters, former name of AIU Holdings, a subsidiary of American International Group * American International University (disambiguation), several universities around the world * ''Approximately Infinite Universe'', a double album by Yoko Ono * Association of Indian Universities, association of major universities in India * Atlantic International University, a distance-learning university based in Hawaii * Athletics Integrity Unit, a body founded by the International Association of Athletics Federations to combat doping in athletics {{disambig}}