| AAH | Academy of Accounting Historians 
| Others |
| AAH | Academy of Architecture for Health
| Others |
| AAH | Action Africa Help
| Others |
| AAH | Action Against Hunger
| Others |
| AAH | Acute Alcoholic Hepatatis
| Others |
| AAH | Adopt A Highway
| Others |
| AAH | Adopt-A-Highway
| Others |
| AAH | Advanced Attack Helicopter
| Others |
| AAH | Advocate Aurora Health
| Others |
| AAH | African Americans for Humanism
| Others |
| AAH | Ahl al Haq
| Others |
| AAH | Aktion Afrika Hilfe
| Others |
| AAH | Alameda Alliance for Health
| Others |
| AAH | All Around Helper
| Others |
| AAH | Alliance for Alternatives in Healthcare
| Others |
| AAH | Allocation Adulte Handicape
| Others |
| AAH | Alone Against Hell
| Others |
| AAH | American Association for Homecare
| Others |
| AAH | Androctonus australis Hector
| Others |
| AAH | Animal Assisted Happiness
| Others |
| AAH | Antibacterial Antioxidant Honey
| Others |
| AAH | Apache Attack Helicopter
| Others |
| AAH | Apical Asymmetric Hypertrophy
| Others |
| AAH | Aquatic Ape Hypothesis
| Others |
| AAH | Arlington Academy of Hope
| Others |
| AAH | Art and Architectural History
| Others |
| AAH | Asaib Ahl al Haq
| Others |
| AAH | Asia Alliance Holdings
| Others |
| AAH | Associate in Allied Health
| Others |
| AAH | Association For Art History
| Others |
| AAH | Association of Ancient Historians
| Others |
| AAH | Association of Art Historians
| Others |
| AAH | Atmospheric Aerosols and Health
| Others |
| AAH | Atypical Adenomatous Hyperplasia
| Others |
| AAH | Austin Area Homeschoolers
| Others |
| AAH | Australian Academy of the Humanities
| Others |