| | | |
| | BT CORONATION CONTINGENTS | |
| CORONATION CONTINGENT (GEORGE VI) 1937 | |
| CORONATION CONTINGENT (GEORGE V) 1911 | |
| CORONATION CONTINGENTS | |
| CORPS OF STAFF CADETS | |
| CORPS TROOPS SUPPLY COMPANIES | |
| COUNTRY WOMEN'S ASSOCIATION | |
| COWRA PRISONER OF WAR CAMP | |
| CRUISER ADMIRAL HIPPER | |
| CRUISER BARTOLOMEO COLLEONI | |
| CRUISER SCHARNHORST | |
| CSF CAMDEN | |
| CSF EAST SALE | |
| CSF LAVERTON | |
| CSF POINT COOK | |
| CSFS | |
| CUSA | |
| CWGC | |
| CYCLIST UNITS | |
D unit names | |
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M unit names | |
N unit names | |