 |  | | |
| ROYAL NAVAL RESERVE | |
| ROYAL NAVY | |
| ROYAL NEW SOUTH WALES LANCERS | |
| ROYAL NEW SOUTH WALES REGIMENT | |
| ROYAL NEW ZEALAND AIR FORCE | |
| ROYAL NEW ZEALAND NAVY | |
| ROYAL PAPUAN CONSTABULARY ROYAL QUEENSLAND REGIMENT | |
| ROYAL REGIMENT OF AUSTRALIAN ARTILLERY | |
| ROYAL SOUTH AUSTRALIA REGIMENT | |
| ROYAL TASMANIA REGIMENT | |
| ROYAL VICTORIA REGIMENT | |
| ROYAL WESTERN AUSTRALIA REGIMENT | |
| RPC | |
| RSL | |
| RSSAILA | |
| RSSILA | |
| RUSSIAN FORCES S CMD | |
S unit names | |
| S HEAVY BATTERY | |
| SA L OF C AREA | |
| SALVAGE UNITS | |
| SALVATION ARMY | |
| SAMF | |
| SANDAKAN PRISONER OF WAR CAMP | |
| SANITARY UNITS | |
| SAS UNITS | |
| SCHOOL CADETS | |
| SCHOOL OF ARTILLERY, HOLSWORTHY | |
| SCOTTISH FORCES | |
| SCOTTISH WOMEN'S HOSPITAL | |