| AACO | Australian Agricultural Company (skr.) |
|---|---|
| AAS | Australian Academy of Science |
| AAS | Australian Alumni Singapore |
| ABC | Australian Broadcasting Commission |
| AC | Australian companion (skr.), hodnosť v ráde Order of Australia |
| ACS | Australian Computer Society |
| AEI | Australian Economic Indicators |
| ATC | Australian Telecommunications Commission |
| ATC | Australian Telecommunications Corporation |
| AUSTRO- | prvá časť zložených slov s významom juh, južný, Austrália, austrálsky, rakúsky, Rakúsko |