| 11th/28th Battalion The Royal Western Australia Regiment | |
|---|---|
 The Royal Western Australia Regiment cap badge | |
| Active | 1987–present |
| Country |  Australia |
| Branch | Army Reserve |
| Type | Infantry |
| Role | Light infantry |
| Size | One battalion |
| Part of | 13th Brigade |
| Garrison/HQ | Karrakatta |
| Insignia | |
| Unit colour patch |  |
The 11th/28th Battalion, Royal Western Australia Regiment (11/28 RWAR) is a Reserve infantry battalion of the Australian Army. Located in Western Australia, it is one of the two battalions of the Royal Western Australia Regiment which forms the infantry component of the 13th Brigade.