| | | |
| A71 (TRANSPORT SHIP) | |
| A72 (TRANSPORT SHIP) | |
| A73 (TRANSPORT SHIP) | |
| A74 (TRANSPORT SHIP) | |
| A8 (TRANSPORT SHIP) | |
| A9 (TRANSPORT SHIP) | |
| AAFV | |
| | PT AUSTRALIAN ADVISORY FORCE VIETNAM | |
| AAMC | |
| AAMWS | |
| AANS | |
| AASC | |
| AATTV | |
| AAVC | |
| AB FRANCES PEAT | |
| AB422 (ARMY VESSEL) | |
| ABC | |
| AC UNITED NATIONS TRANSITIONAL AUTHORITY IN CAMBODIA | |
| ACF | |
| ADAM PARK PRISONER OF WAR CAMP | |
| ADELAIDE FORTRESS | |
| ADELAIDE LANCERS | |
| ADELAIDE RIFLES | |
| ADELAIDE UNIVERSITY REGIMENT | |
| ADUSS | |
| ADVANCED AMMUNITION DEPOTS | |
| ADVANCED ORDNANCE DEPOTS | |
| ADVANCED ORDNANCE WORKSHOPS | |
| AEME | |
| AFC | |