HMAS Nizam (G38) was an N-class destroyer of the Royal Australian Navy. An Australian crew manned her. Max J. Clark was captain from 19 December 1940. C. H. Brooks held command from January 1943. From 1 February 1945 the captain was W. F. Cook.
In the Okinawa operation, dated 1 April 1945, Nizam screened the carriers off Sakishima during May. She came through that screening with Cook in command.
On 2 September 1945 she was a duty destroyer in Tokyo Bay. Nizam survived the war, and her commission in the Royal Australian Navy ended on 17 October 1945.
