| Abbreviation | Definition |
|---|---|
| AAPA | Australian Airline Pilot Academy |
| AAPC | Australian Army Pay Corps |
| AAPF | Australia Africa Partnerships Facility |
| AAPL | Australian Arrow Pty Ltd |
| AAPM | Australian Association of Practice Managers |
| AAPP | Australian Antarctic Program Partnership |
| AAPR | Australian Association of Progressive Repairers |
| AAPS | Anglo-Australian Planet Search |
| AAQ | Aquaculture Association of Queensland |
| AAQ | Australian Art Quartet |
| AAQFS | Australian Air Quality Forecasting System (Australian EPA) |
| AAR | Anglo-Australian Resources |
| AARDS | Australian Advertising Rate and Data Service |
| AARE | Australian Association for Research in Education |
| AARF | Australian Accounting Research Foundation |
| AAS | Australian Accounting Standard |
| AASB | Australian Accounting Standards Board |
| AASC | Australian Army Service Corps |
| AASE | Australian Association of Special Education |
| AASF | Airlie Australian Share Fund |