| Abbreviation | Definition |
|---|---|
| AAMM | Association for the Advancement of Minorities in Medicine |
| AAMP | American Academy of Maxillofacial Prosthetics |
| AAMP | American Association of Meat Processors |
| AAMP | American Association Of Medical Personnel |
| AAMRO | American Academy of Medical Review Officers |
| AAMRO | American Association for Medical Review Officers |
| AAMT | American Academy of Massage Therapy |
| AAMT | American Association for Medical Transcription |
| AAMT | Australian Association of Mathematics Teachers |
| AAN | American Academy of Neurology |
| AANN | American Association of Neurosciences Nurses |
| AANO | Albanian-American National Organization |
| AANO | American Association of Naturopathic Physicians |
| AANP | America Academy of Nurse Practitioners |
| AANP | American Association of Naturopathic Physicians |
| AANS | American Association of Neurological Surgeons |
| AAO | American Academy of Ophthalmology |
| AAO | American Academy of Otolaryngology |
| AAO | American Association of Orthodontists |
| AAOA | Affiliated Associations of America |