AIU

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