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| NORTHERN RIVER LANCERS | |
| NORTHERN TERRITORY FORCE | |
| NORTHERN TERRITORY FORCE ORDNANCE WORKSHOP | |
| NORTHERN TERRITORY LINES OF COMMUNICATION AREA | |
| NORTHERN VICTORIAN REGIMENT | |
| NORTHWESTERN AREA | |
| NSW AMC | |
| NSW L OF C AREA | |
| NSW MR | |
| NSW SCOTTISH REGIMENT | |
| NSWMF | |
| NW CMD | |
O unit names | |
P unit names | |
Q unit names | |
R unit names | |
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U unit names | |
| U BOATS | |
| U HEAVY BATTERY | |
| UN PEACEKEEPING FORCES | |
| UNAMIR - UN ASSISTANCE MISSION IN RWANDA | |
| UNIFIL - UN INTERIM FORCE IN LEBANON | |
| UNITAF UNIFIED TASK FORCE IN SOMALIA | |
| UNITED NATIONS | |
| UNITED NATIONS PEACEKEEPING FORCES | |
| UNITED PROTESTANT ASSOCIATION | |
| UNITED STATES AIR FORCE | |
| UNITED STATES ARMY | |