| Acronym | Definition |
|---|
| AMTA | American Massage Therapy Association |
| AMTA | Association for Machine Translation in the Americas |
| AMTA | Australian Mobile Telecommunications Association |
| AMTA | American Music Therapy Association |
| AMTA | American Mock Trial Association |
| AMTA | Antenna Measurement Techniques Association |
| AMTA | American Mobile Telecommunications Association |
| AMTA | American Membrane Technology Association (formerly American Desalting Association) |
| AMTA | Agricultural Market Transition Act |
| AMTA | Alberta Motor Transport Association |
| AMTA | Alabama Music Teachers Association |
| AMTA | Advanced Medical Technology Association |
| AMTA | Atlantic Marine Trades Association |
| AMTA | Alabama-Mississippi Telecommunications Association |
| AMTA | Agency for Coordinating Mekong Tourism Activities (Vietnam) |
| AMTA | American Massage Therapists Association |
| AMTA | Atlanta Metro Travel Association |
| AMTA | Advanced Manufacturing Technology Association |
| AMTA | American Monster Truck Association |
| AMTA | American Methadone Treatment Association, Inc. |
| AMTA | American Muscle Truck Association |
| AMTA | Alaska Music Teachers Association |
| AMTA | Arlington Music Teachers' Association |
| AMTA | Agricultural Management Training in Africa |