| Abbreviation | Definition |
|---|---|
| AMI | American Meat Institute |
| AMI | Association of Meat Inspectors |
| AMIA | Association Of Moving Image Archivists |
| AMID | Association of Motorcycle Importers and Distributors |
| AMIPS | Associate Member of the Institute of Purchasing and Supply |
| AMMA | Australian Mines And Metals Association |
| AMMA | Automatic Mechanical Machine Association |
| AMMLA | American Merchant Marine Library Association |
| AMP | Association for Molecular Pathology |
| AMPA | Association for Merchandise Planning and Allocation |
| AMPI | Associated Milk Producers, Inc. |
| AMPI | Association of Medical Physicists of India |
| AMPPO | Association of Major Power Producers of Ontario |
| AMR | Association For Mutual Reformation |
| AMS | Academy of Medical Sciences |
| AMS | American Mathematical Society |
| AMS | American Meteorological Society |
| AMS | American Musicological Society |
| AMS | Aviation Management Society |
| AMSA | American Meat Science Association |