HMS Hydrangea

Two ships of the Royal Navy have been named HMS Hydrangea :


 * HMS Hydrangea (1916) an Arabis-class sloop sloop launched in 1916 and sold in 1920
 * HMS Hydrangea (K39), a Flower-class corvette launched in 1940 and sold in 1947. She became the mercantile Hydralock and was wrecked in 1957