Two ships of the Royal Navy were named HMS Clacton
- HMS Clacton (1904), an auxiliary minesweeper torpedoed and sunk in 1917
- HMS Clacton (J151), a Bangor-class minesweeper launched in 1941 and sunk in 1943
This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.