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| 4th/3rd Battalion, Royal New South Wales Regiment | |
|---|---|
 Badge of the Royal New South Wales Regiment | |
| Active | 26 September 1987 – present |
| Country |  Australia |
| Branch | Army |
| Type | Light infantry |
| Size | One battalion |
| Part of | 5th Brigade |
| Garrison/HQ | Sutherland, New South Wales |
| Motto(s) | For Home and Country |
| Colours | White and green |
| March | Quick, Slow |
| Anniversaries | ANZAC Day |
| Insignia | |
| Unit colour patch |  |
4th/3rd Battalion, Royal New South Wales Regiment (4/3 RNSWR) is a Reserve light infantry battalion of the Australian Army. 4/3 RNSWR has been deployed on active service on many peacekeeping operations and exercises within Australia and around the world. The Battalion is currently based at Sutherland, New South Wales where it forms part of the 5th Brigade.