Nine vessels of the United Kingdom's Royal Navy have been named HMS Porcupine, after the porcupine, a rodent belonging to the families Erethizontidae or Hystricidae.

• HMS Porcupine (1746) was a 16-gun sloop launched in 1743, purchased in 1746, and sold in 1763. She became the mercantile Minerva, which in 1768 traded between London and Africa. ^[1]
• HMS Porcupine (1777) was a 24-gun post ship launched in 1777 and broken up in 1805.
• HMS Porcupine was a 16-gun sloop purchased in Jamaica in 1777 and sold in 1788.
• HMS Porcupine (1807) was a 22-gun post ship launched in 1807 and sold in 1816.
• HMS Porcupine was to have been a 28-gun sixth rate; ordered in 1819, she was canceled in 1832.
• HMS Porcupine (1844) was a wooden paddle wheel surveying vessel built at Deptford and sold in 1883.
• HMS Porcupine (1895) was a Janus-class destroyer launched by Palmers in 1895 that served in home waters and was sold in 1920.
• HMS Porcupine (G93) was a P-class destroyer launched in 1941 and torpedoed by U-602 in the Mediterranean Sea in 1942.
• HMS Porcupine was to have been a survey ship, renamed in 1967 as HMS Barracouta, but the order was cancelled in 1967.

• Colledge, J. J.; Warlow, Ben (2006) [1969]. Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN  978-1-86176-281-8.
• Gosset, William Patrick (1986). The lost ships of the Royal Navy, 1793-1900. Mansell. ISBN  0-7201-1816-6.

List of ships with the same or similar names

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.