| | | |
| | NT 2 ORDNANCE BEACH DETACHMENT | |
| 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 | |
R unit names | |
S unit names | |
T unit names | |
U unit names | |
V unit names | |
W unit names | |
Y unit names | |
| YANCO PRISONER OF WAR CAMP | |
| YARROWEE LIGHT HORSE | |
| YMCA | |
| YOUNG MEN'S CHRISTIAN ASSOCIATION | |