| AACO | Australian Agricultural Company (skr.) |
|---|---|
| AAE | Australian Air Express |
| AAP | Australian Associated Press (skr.) |
| AAS | Australian Academy of Science |
| AAS | Australian Accounting Standard |
| AAS | Australian Acoustical Society, |
| AAS | Australian Alumni Singapore |
| AAS | Australian Anthropological Society |
| ABA | Australian Broadcasting Authority |
| ABC | Australian Broadcasting Commission |