HMAS Sydney
- 1942 Design Light Fleet Carrier
- 2003 invasion of Iraq
- Adelaide-class frigate
- Battle of Bita Paka
- Battle of Calabria
- Battle of Cape Spada
- Battle of Cocos
- Battle of the Mediterranean
- Creative Commons license
- Frigate
- Gulf War
- Hobart-class destroyer
- Indonesia–Malaysia confrontation
- International Force for East Timor
- Korean War
- Leander-class cruiser (1931)
- Naval warfare of World War I
- New South Wales
- Royal Australian Navy
- Single ship action
- Sinking of HMAS Sydney
- Sydney
- Town-class cruiser (1910)
- Vietnam War
- War in Afghanistan (2001–2021)