Named for the Barwon River in Victoria which rises in the Otway Ranges and enters the sea at Barwon Heads.

HMAS Barwon (K-406) was a River class frigate laid down by Cockatoo Island Dockyard at Sydney in New South Wales, launched on 3 August 1944 and commissioned on 10 December 1945. HMAS Barwon paid off on 31 March 1947 and was sold in January 1962.