| Acronym | Definition |
|---|
| AAH | Aachen (IATA airport/city code) |
| AAH | Aux Adultes Handicapés (French: Disabled Adults) |
| AAH | Alameda Alliance for Health (Alameda, CA) |
| AAH | Allocation aux Adultes Handicapés (French: Allowance for Disabled Adults; est. 1975) |
| AAH | Association of Art Historians (est. 1974; UK) |
| AAH | Acute Alcoholic Hepatatis (disease) |
| AAH | Action Against Hunger |
| AAH | Adopt-A-Highway (litter removal program, USA) |
| AAH | Art and Architectural History (various schools) |
| AAH | Aquatic Animal Health (various organizations) |
| AAH | Administrateur Ad Hoc (French: Ad Hoc Administrator) |
| AAH | Atypical Adenomatous Hyperplasia |
| AAH | Advanced Attack Helicopter |
| AAH | Americans Against Hate |
| AAH | Aloha Airlines (ICAO code) |
| AAH | Art Association of Harrisburg (est. 1926; Harrisburg, PA) |
| AAH | African Americans for Humanism (Council for Secular Humanism) |
| AAH | Australian Auxiliary Hospital |
| AAH | Australian Academy of Humanities |
| AAH | Association of Ancient Historians (Salt Lake City, UT) |
| AAH | Atmospheric Aerosols and Health (University of California, Davis) |
| AAH | Apache Attack Helicopter |
| AAH | Aktion Afrika Hilfe (German NGO) |
| AAH | All-Around Helper (Lobotomy Corporation game) |
| AAH | Asia Alliance Holdings (Japan) |
| AAH | Act Against Homophobia (Faroe Islands) |
| AAH | Association d'Aide à l'Humanitaire (French: Association for Humanitarian Assistance) |
| AAH | Association of African Hydrologists |
| AAH | Automatic Attitude Hold |
| AAH | Ada Adoption Handbook |
| AAH | Academy on Architecture for Health |
| AAH | Alliance for Alternatives in Healthcare |
| AAH | Association pour l'Action Humanitaire (French) |
| AAH | Automated Alarm Handling |
| AAH | Agriculture d'Autrefois dans le Hurepoix (French agricultural history group) |