HMS Mackerel
Three ships of the Royal Navy have borne the name HMS Mackerel, after the Mackerel, a name given to a number of species of fish:
- HMS Mackerel was a dogger captured in 1646 and last recorded in 1647.
- HMS Mackerel was a 4-gun Ballahoo-class schooner launched in 1804 and sold in 1815.
- HMS Mackerel was an Albacore-class wooden screw gunboat launched in 1856 and broken up in 1862.