| AMPA | Academy of Music and Performing Arts 
| Others |
| AMPA | Additive Manufacturing for Products and
| Others |
| AMPA | Advanced Multimedia Parallel Accelerator
| Others |
| AMPA | Agricultural Marketing Programs Act
| Others |
| AMPA | Air Medical Physician Association
| Others |
| AMPA | Alberta Magazine Publishers Association
| Others |
| AMPA | American Military Partner Association
| Others |
| AMPA | American Mini Pig Association
| Others |
| AMPA | Annual Meeting of the Provincial Assembly
| Others |
| AMPA | Association for Merchandise Planning and Allocation
| Others |
| AMPA | Association of Moroccan Professionals in America
| Others |
| AMPA | Automobile Parts and Accessories
| Others |