| | | |
| WOMEN'S ROYAL AUSTRALIAN NAVAL NURSING SERVICE | |
| WOMEN'S ROYAL AUSTRALIAN NAVAL SERVICE | |
| WOMEN'S UNITS | |
| WOMENS NATIONAL EMERGENCY LEGION | |
| WORKS COMPANIES | |
| WORKSHOP AND PARK COMPANIES | |
| WORKSHOP PLATOONS | |
| WRAAC | |
| WRAAF | |
| WRANNS | |
| WRANS | |
| WRENS | |
| WSUS | |
Y unit names | |
| YANCO PRISONER OF WAR CAMP | |
| YARROWEE LIGHT HORSE | |
| YMCA | |
| YOUNG MEN'S CHRISTIAN ASSOCIATION | |
| YOUNG WOMEN'S CHRISTIAN ASSOCIATION | |
| YOUTH ORGANISATIONS | |
| YUGOSLAV FORCES | |
| YWCA | |
Z unit names | |