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| MOTOR TRANSPORT TRAINING UNITS | |
| MOTOR TRANSPORT UNITS | |
| MOTOR TRANSPORT WORKSHOPS | |
| MOTOR VEHICLE TRADES TRAINING CENTRES | |
| MOUNTAIN BATTERIES | |
| MOVEMENT CONTROL UNITS | |
| MUJAHIDEEN, HEZB-1-ISLAMI AFGHANISTAN (HIA) | |
| MURCHISON PRISONER OF WAR CAMP GROUP | |
| MYRTLEFORD PRISONER OF WAR CAMP | |
N unit names | |
O unit names | |
| OCUS | |
| OFFICER CADET TRAINING UNITS | |
| OFFICER TRAINING UNITS | |
| OPERATION HABITAT, IRAQ | |
| OPERATIONAL CONVERSION UNITS | |
| OPERATIONAL TRAINING UNITS | |
| OPERATIONAL TRAINING UNIT, BAIRNSDALE | |
| OPERATIONAL TRAINING UNIT, EAST SALE | |
| 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 | |