| Abbreviation | Definition |
|---|---|
| AAMH | Azerbaijan Association of Medical Historians |
| AAMI | Association for the Advancement of Medical Instrumentation |
| AAMI | Association of Advancement of Medical Instrumentation |
| AAMI | Association of Alcohol Manufacturers and Importers |
| AAMM | Association des Amis de la musique de Marrakech |
| AAMM | Association des Amis du Musée de la Marine |
| AAMM | Association des Aveugles et Malvoyants de la Manche |
| AAMNA | Alumni Association of Madhubani NavodayA |
| AAMP | Apartment Association of Metropolitan Pittsburgh |
| AAMP | Association for Academic Minority Physicians |
| AAMPS | Arizona Association of Medical Products Suppliers |
| AAMPS | Association for African Medicinal Plants Standards |
| AAMR | Altoona Association of Model Railroaders |
| AAMR | American Association Mental Retardation |
| AAMR | American Association of Mental Retardation |
| AAMT | Australian Association of Mathematics Teachers |
| AAMT | Australian Association of Maths Teachers |
| AAMV | American Association of Museum Volunteers |
| AAN | Artists Association of Nantucket |
| AAN | Association of Alternative Newsmedia |