Five ships of the Royal Navy have borne the name HMS Volcano. Two more were planned, but never completed:
HMS Volcano was an 8-gun fireship purchased in 1778 and sold in 1781.
HMS Volcano was an 8-gun fireship purchased in 1780 and sold in 1784.
HMS Volcano was an 8-gun bomb vessel purchased in 1797 and sold in 1810.
HMS Volcano was originally a 16-gun sloop named HMS Heron. She was reclassified as a bomb vessel in 1810 and renamed HMS Volcano. She was sold in 1816.
HMS Volcano was to have been an 8-gun bomb vessel. She was ordered in 1819 and cancelled in 1831.
HMS Volcano was a wooden paddle sloop launched in 1836. She became a floating factory in 1862 and was broken up in 1894.
HMS Volcano was to have been a W-class destroyer. She was cancelled in 1918.
HMS Volcano was a World War 2 land-based training establishment at Holmrook Hall, Cumbria, specialising in explosives
