AAU
AAU is an abbreviation for:
- Aicher Ambulance Union, private Munich recovery company
- General Workers' Union
- Amateur Athletic Union
- Office of Occupational and Environmental
- Assam Agricultural University
- Assigned Amount Unit, a UN carbon credit
- Association of Aerospace Universities
- Association of African Universities
- Association of American Universities
- Association of Atlantic Universities
- Training initiative Foreign entrepreneurs
- Airport Asau on Savaii, Samoa ( IATA code )
- Aalborg Universitetscenter
- University of Addis Ababa
- University of Klagenfurt ( Alpen-Adria -Universität )
- Disambiguation
- Abbreviation