| | | |
| GREEK FORCES | |
| GULL FORCE | |
| GURKHA UNITS | |
| GWYDIR REGIMENT | |
H unit names | |
| HALF FLIGHT AFC | |
| HAMPTON CONVALESCENT DEPOT | |
| HAWTHORN KEW REGIMENT | |
| HAY PRISONER OF WAR CAMP | |
| HEADQUARTERS AIF MIDDLE EAST | |
| HEADQUARTERS AUSTRALIAN CORPS, EGYPT | |
| HEADQUARTERS FIRST ARMY | |
| HEADQUARTERS SIGNALS | |
| HEADQUARTERS UNITS | |
| HEAVY ANTI AIRCRAFT BATTERIES | |
| HEAVY ARTILLERY BRIGADES | |
| HEIDELBERG REGIMENT | |
| HENTY REGIMENT | |
| HINDMARSH REGIMENT | |
| HIRING UNITS | |
| HIS MAJESTY'S COLONIAL SHIPS | |
| HISTORICAL RECORDS UNITS | |
| | BT MILITARY HISTORY SECTION | |
| | RT RECORDS UNITS | |
| HMAS ABRAHAM CRIJNSSEN | |
| HMAS ADELAIDE (1918-1949) | |
| HMAS ADELAIDE (1980-) | |
| HMAS AE1 | |
| HMAS AE2 | |
| HMAS ALBATROSS (1928-1938) | |