| Acronym | Definition |
|---|
| AMMA | African Monsoon Multidisciplinary Analysis (various nations) |
| AMMA | American Medical Massage Association (Muskegon, MI) |
| AMMA | Atlas Model Management Architecture |
| AMMA | Australian Mines and Metals Association |
| AMMA | Advanced Memory Management Architecture |
| AMMA | American Medical Marijuana Association (est. 2000) |
| AMMA | Acrylonitrile-Methyl Methacrylate (copolymer) |
| AMMA | American Marijuana Music Awards |
| AMMA | Auctions, Market Mechanisms, and their Applications (conference) |
| AMMA | Australian Military Medical Association |
| AMMA | Antakarana Montessori Method Association (Oklahoma, USA) |