HMAS Nestor (G-02) was an N class destroyer laid down by the Fairfield Shipbuilding and Engineering Company, Limited, at Govan in Scotland on 26 July 1939, launched on 9 July 1940 and commissioned on 12 February 1941. She was manned by Australians and commissioned in the Royal Australian Navy but remained the property of the British Government. Nestor escorted North Atlantic convoys, participated in the pursuit and destruction of the enemy German battleship Bismarck in May 1941, escorted Malta convoys in the Mediterranean, engaged in escort duties in the South Atlantic, attacked and sank the enemy German submarine U-127 off Cape St. Vincent on 15 December 1941, screened the heavy ships during the bombardment of Bardia, escorted the aircraft carrier HMS Indomitable in the Indian Ocean, and served with the 7th Destroyer Flotilla in the Mediterranean.

HMAS Nestor was attacked and severely damaged off the south west corner of Crete by enemy German land based aircraft while assigned to escort duty on a Malta bound convoy on 15 June 1942. She was taken in tow by HMS Javelin but was scuttled by depth charges at 0530 on 17 June 1942.