| AARA | Acadiana Amateur Radio Association 
| Others |
| AARA | Access and Amendment Refusal Authority
| Others |
| AARA | Access Arrangements and Reasonable Adjustments
| Others |
| AARA | Addis Ababa Revenue Agency
| Others |
| AARA | African American Religious Affairs
| Others |
| AARA | After Action Reconstruction and Analysis
| Others |
| AARA | Air To Air Refueling Area
| Others |
| AARA | Air to Air Refuelling Area
| Others |
| AARA | Air-to-Air Refueling Area
| Others |
| AARA | Albany Amateur Radio Association
| Others |
| AARA | Allie Auto Racing Association
| Others |
| AARA | Allied Auto Racing Association
| Others |
| AARA | American Amateur Racquetball Association
| Others |
| AARA | American Auto Racing Association
| Others |
| AARA | Amsterdam Antwerp Rotterdam Area
| Others |
| AARA | Anaheim Amateur Radio Association
| Others |
| AARA | Antique Auto Racing Association
| Others |
| AARA | Aoibhneas an Rince Auxiliary
| Others |
| AARA | Arizona Alliance for Retired Americans
| Others |
| AARA | Arizona Arthritis and Rheumatology Associates
| Others |
| AARA | Arizona Automotive Recyclers Association
| Others |
| AARA | Arthritis And Rheumatology Associates
| Others |
| AARA | Asian American Retailers Association
| Others |
| AARA | Association of Alberta Registry Agents
| Others |
| AARA | Australian Automobile Repairers Association
| Others |