| | | |
| OPERATIONAL TRAINING UNIT, MILDURA | |
| OPERATIONAL TRAINING UNIT, TOCUMWAL | |
| OPERATIONAL TRAINING UNIT, WAGGA WAGGA | |
| OPERATIONAL TRAINING UNIT, WILLIAMTOWN | |
| ORDNANCE BEACH DETACHMENTS | |
| ORDNANCE FIELD PARKS | |
| ORDNANCE PORT DETACHMENTS | |
| ORDNANCE PROVISION SECTION AIF MIDDLE EAST | |
| ORDNANCE PROVISION SECTIONS | |
| ORDNANCE SMALL CRAFT PARKS | |
| ORDNANCE STORE COMPANIES | |
| ORDNANCE UNITS | |
| ORDNANCE VEHICLE PARKS | |
| OTU BAIRNSDALE | |
| OTU EAST SALE | |
| OTU MILDURA | |
| OTU TOCUMWAL | |
| OTU WAGGA | |
| OTU WILLIAMTOWN | |
| OTUS | |
| OXLEY REGIMENT | |
P unit names | |
Q unit names | |
| QAIMNS | |
| QARNNS | |
| QLD L OF C AREA | |
| QMAAC | |
| QMF | |
| QUEEN ALEXANDRA'S IMPERIAL MILITARY NURSING SERVICE | |
| QUEEN ALEXANDRA'S ROYAL NAVAL NURSING SERVICE | |