| Abbreviation | Definition |
|---|---|
| AAHP | American Association of Homeopathic Pharmacists |
| AAHP | Association of Allied Health Professionals |
| AAHPER | African Association for Health Professions Education and Research |
| AAHPER | American Association for Health Physical Education and Recreation |
| AAHPER | American Association of Health Physical Education and Recreation |
| AAHR | Australian Association for Humane Research |
| AAHSA | ASEAN Alliance of Health Supplement Associations |
| AAI | Agribusiness Association of Iowa |
| AAI | Automobile Association of India |
| AAIA | Allergy Asthma Information Association |
| AAIA | Allergy/Asthma Information Association |
| AAIA | American Association for International Aging |
| AAIA | American Association of Independent Architects |
| AAIA | Association of American Indian Affairs |
| AAIA | Association of Assessment Inspectors and Advisers |
| AAIA | Association on American Indian Affairs |
| AAIA | Austrian Angel Investors Association |
| AAIA | Automotive Aftermarket Industry Association |
| AAIBA | Agency of All India Basketball Association |
| AAIC | Alzheimer's Association International Conference |