Leighton Battery at Buckland Hill, Mosman Park, Western Australia, was part of the Coastal defences of Australia during World War II and the Fremantle Fortress, protecting Fremantle Harbour.

The following is a List of Coastal Batteries in Australia and Territories during World War II. The main threat came early in the war from German raiders and threat of Japanese raids or invasion, and hence all available ordnance was pressed into service, including some obsolete guns and field guns adapted for coast defence.