HMS Hydra

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


 * HMS Hydra (1778) was a 24-gun sixth-rate launched in 1778 and sold in 1783.
 * HMS Hydra (1797) was a 38-gun fifth-rate launched in 1797. She was used as a troopship from 1812 and was sold in 1820.
 * HMS Hydra (1838) 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 (1871) was a Cyclops-class turret ship launched in 1871 and sold in 1903.
 * HMS Hydra (1912) was an Acheron-class destroyer launched in 1912 and sold in 1921.
 * HMS Hydra (J275) 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 (A144) 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