| Abbreviation | Definition |
|---|---|
| AMSA | American Moving & Storage Association |
| AMSA | Association of Marist Schools Australia |
| AMSA | Australian Marine Sciences Association |
| AMSE | Association for Metallically Stabilized Earth |
| AMSI | Australian Mathematical Sciences Institute |
| AMSPAR | Association of Medical Secretaries, Practice Administrators, and Receptionists |
| AMSS | Association of Muslim Social Scientists |
| AMSUS | Association of Military Surgeons of the United States |
| AMTA | Advanced Manufacturing Technology Association |
| AMTA | Alabama Mississippi Telecommunications Association |
| AMTA | American Massage Thearapy Association |
| AMTA | American Mobile Telecommunications Association |
| AMTA | Antigua Marine Trades Association |
| AMTA | Associationamerican Massage Therapy Association |
| AMTA | Atlantic Marine Trades Association |
| AMTA | Australian Mobile Telecommunication Association |
| AMTA | Australian Mobile Telecommunications Association |
| AMU | Association of Michigan Universities |
| AMWA | American Medical Writers Association |
| AMWC | Association of Medicine Wholesale Companies |