HMAS Nizam (G-38) was an N class destroyer laid down by John Brown and Company, Limited, at Clydebank in Scotland on 27 July 1939, launched on 4 July 1940 and commissioned on 8 January 1941. She was manned by Australians and commissioned in the Royal Australian Navy but remained the property of the British Government. HMAS Nizam reverted to the Royal Navy on 17 October 1945.