Support functions: HMS Nabbington, was a Royal Navy (RN), Mobile Operational Naval Air Base (MONAB), that was established at the Royal Australian Air Force (RAAF) base RAAF Nowra at Nowra, New South Wales, in Australia during the final stages of the Second World War.

The first Mobile Operational Naval Air Base to form, after being assembled at HMS Flycatcher, at Royal Naval Air Station Ludham, Norfolk, on 4 September 1944, the base was commissioned as an independent command bearing the ship's name HMS Nabbington on 28 October 1944, under Commander G. Nunnerley, RN.

Established to support the aircraft carriers of the British Pacific Fleet, the base's stores, equipment and vehicles sailed from Victoria Dock, Birkenhead, aboard the SS Suffolk, and personnel sailed from Gladstone Dock, Liverpool upon RMS Empress of Scotland on 20 November 1944 bound for Sydney, Australia.

[1] During March and April 1945, issues with the runways at RNAS Nowra meant the temporary use of the satellite airfield at RNAS Jervis Bay in order to permit emergency repairs to be carried out on the runways and taxiways at Nowra which were deteriorating due to wet weather and heavy use.

[1] List of commanding officers of HMS Nabbington with date of appointment: List of units associated with MONAB I, in support of disembarked Torpedo Bomber Reconnaissance (TBR) Squadrons, the provision of continuation & refresher flying training and a fleet requirements unit: List of Fleet Air Arm first and second line squadrons, station flight and other flying units either based at or disembarked to RNAS Nowra (HMS Nabbington) and MONAB I: List of Royal Navy aircraft carriers that Royal Navy Fleet Air Arm squadrons disembarked from, or embarked in, at HMS Nabbington: