This is a list of Royal Australian Navy (RAN) vessels which were damaged or sunk causing loss of life, in warlike and non-warlike circumstances. The list includes incidents involving equipment (helicopters, whaleboats) attached to ships and naval establishments. The list excludes losses on non-RAN vessels (including attacks on merchant shipping), merchant seaman deaths, and other losses (including prisoner of war deaths). Fatalities include all lives lost on the named vessel at each incident.