thumb|HMS Fleetwood (U47)
Two ships of the Royal Navy have been named HMS Fleetwood, after the town of Fleetwood. A third ship was planned as Fleetwood, but was renamed before being launched:
- was a Royalist ship captured by the Parliamentarians in 1655 and renamed Wexford.
- HMS Fleetwood was to have been a minesweeper. She was renamed in 1918 and was launched later that year.
- was a sloop launched in 1936 and broken up after 1959.