HMS Hydra

Seven ships of the Royal Navy have borne the name HMS Hydra, after the Lernaean Hydra of Greek mythology:

• HMS Hydra was a 24-gun sixth-rate launched in 1778 and sold in 1783.
• HMS Hydra was a 38-gun fifth-rate launched in 1797. She was used as a troopship from 1812 and was sold in 1820.
• HMS Hydra was a wooden steam paddle sloop launched in 1838. She was used as a survey vessel until paid off in 1868 and sold in 1870.
• HMS Hydra was a Cyclops-class turret ship launched in 1871 and sold in 1903.
• HMS Hydra was an Acheron-class destroyer launched in 1912 and sold in 1921.
• HMS Hydra was an Algerine-class minesweeper launched in 1942. She was damaged by a mine in 1944 and not repaired. She was scrapped in 1945.
• HMS Hydra was an oceanographic survey vessel launched in 1965 and sold to Indonesia in 1986. They renamed her Dewi Kembar.

Battle honours

• Syria 1840
• Dogger Bank 1915
• Jutland 1916
• North Sea 1943
• Arctic 1943-44
• Normandy 1944
• South Atlantic 1982