Six ships of the Royal Navy have borne the name HMS Folkestone or the archaic HMS Folkeston, after the town of Folkestone in Kent:

• HMS Folkeston (1299) was a cog, part of the Cinque Ports Fleet in 1299.
• HMS Folkeston (1703) was a 44-gun fourth rate launched in 1703 and broken up in 1727.
• HMS Folkeston (1741) was a 44-gun fifth rate launched in 1741 and sold in 1749.
• HMS Folkestone (1764) (or Folkestone), was an 8-gun cutter launched in 1764. On 24 June 1778 the French frigate Surveillante captured her off Ushant.^[1] The French navy purchased Folkestone for Lt12,405 and took her into service under her existing name. She was struck off the lists in 1782 or early 1783.^[2]
• HMS Folkestone (1914) was a World War I minesweeper. A mercantile conversion, M.33 (1914). Built 1903, 496 GRT. Armament was two 12 pdr guns. In service from 9 October 1914 to 31 January 1920.
• HMS Folkestone (L22) was a Folkestone-class sloop launched in 1930, sold in 1947 and broken up later that year.