HMS Urchin
- Blockade of Cádiz (1797)
- British Admiralty
- British U-class submarine
- George Elphinstone, 1st Viscount Keith
- Horatio Nelson, 1st Viscount Nelson
- Naval General Service Medal (1847)
- ORP Sokół (1940)
- Palmers Shipbuilding and Iron Company
- Polish Navy
- R-class destroyer (1916)
- Royal Navy
- Sea urchin
- Second World War
- Type 15 frigate
- U and V-class destroyer