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