Warrant Officer of the Navy

Warrant Officer of the Navy (WO-N) is the most senior Warrant Officer in the Royal Australian Navy (RAN). It is a singular appointment – it is only held by one person at any time. The special insignia for the WO-N is the Australian coat of arms with a wreath around it. The current Warrant Officer of the Navy is Martin Holzberger.

Based on the United States Navy practice of appointing a Master Chief Petty Officer of the Navy, the WO-N is responsible to the Chief of Navy (CN).

The appointment is the equivalent of the Regimental Sergeant Major-Army (RSM-A) in the Australian Army, and Warrant Officer of the Air Force (WOFF-AF) in the RAAF.