| Abbreviation | Definition |
|---|---|
| AASF | Australian Agricultural Sustainability Framework |
| AASO | Afro Australian Student Organisation |
| AASW | Australia Association of Social Workers |
| AAT | Administrative Appeals Tribunal |
| AAT | Australian Amalgamated Terminals |
| AATA | Administrative Appeal Tribunal of Australia |
| AATA | Australian Accordion Teachers Association |
| AATC | Australian Army Transportation Corps |
| AATI | Australian Aboriginal Theatre Initiative |
| AATIS | Australian Apprenticeships and Traineeships Information Service |
| AATT | Adventure Australia Treks Tours |
| AAVC | Australian Army Veterinary Corps |
| AAWB | Australian Association of Workers for the Blind |
| AAWJ | Australian Association of Women Judges |
| AAWS | Australian Animal Welfare Strategy |
| AAYT | Australian Association of Yoga Therapists |
| AB | ABoriginal |
| AB | Australian Banking |
| ABA | Australian Banking Association |
| ABARE | Australian Bureau Of Agricultural And Resource Economics |