| Abbreviation | Definition |
|---|---|
| AAFP | American Association of Feline Practitioners |
| AAFPRS | American Academy of Facial Plastic and Reconstructive Surgery |
| AAG | Association of Applied Geochemists |
| AAGC | American Academy of Grief Counseling |
| AAGE | Australian Association of Graduate Employers |
| AAGP | American Association of Geriatric Psychiatry |
| AAGS | American Association of Genitourinary Surgeons |
| AAHA | American Animal Hospital Association |
| AAHC | American Association of Healthcare Consultants |
| AAHCC | American Association of Health Care Consultants |
| AAHD | American Academy of the History of Dentistry |
| AAHM | American Association for the History of Medicine |
| AAHRPP | Association for the Accreditation of Human Research Protection Programs |
| AAI | American Association of Immunologists |
| AAIA | Automotive Aftermarket Industry Association |
| AAID | American Academy of Implant Dentistry |
| AAIM | American Academy of Insurance Medicine |
| AAIP | American Association of Indian Physicians |
| AAIP | American Association of Investigative Pathologists |
| AAIP | Arizona Association of Independent Paralegals |