| | | |
| WRAAF | |
| | PT WOMEN'S ROYAL AUSTRALIAN AIR FORCE | |
| WRANNS | |
| | PT WOMEN'S ROYAL AUSTRALIAN NAVAL NURSING SERVICE | |
| WRANS | |
| | PT WOMEN'S ROYAL AUSTRALIAN NAVAL SERVICE | |
| WRENS | |
| | PT WOMEN'S RESCUE EMERGENCY NAVAL SERVICE | |
| WSUS | |
| | PT RAAF WORKS SUPPLY UNITS | |
Y unit names | |
| YANCO PRISONER OF WAR CAMP | |
| | BT AUSTRALIAN POW AND INTERNMENT CAMPS | |
| YARROWEE LIGHT HORSE | |
| | BT CAVALRY REGIMENTS | |
| | RT 19 LIGHT HORSE REGIMENT | |
| YMCA | |
| | PT YOUNG MEN'S CHRISTIAN ASSOCIATION | |
| YOUNG MEN'S CHRISTIAN ASSOCIATION | |
| | BT PHILANTHROPIC ORGANISATIONS | |
| YOUNG WOMEN'S CHRISTIAN ASSOCIATION | |
| | BT PHILANTHROPIC ORGANISATIONS | |
| YOUTH ORGANISATIONS | |
| | BT - BOY SCOUTS | |
| | BT GIRL GUIDES | |
| | BT SCHOOL CADETS | |
| YUGOSLAV FORCES | |
| | | |
| YWCA | |
| | PT YOUNG WOMEN'S CHRISTIAN ASSOCIATION | |