HMS Beelzebub (or Belzebub) was a mortar vessel of the Royal Navy launched on 30 July 1813, and put into in ordinary.

[3] Beelzebub took part in Lord Exmouth's punitive expedition against the Dey of Algiers.

Beelzebub's large mortar fired once in every ten minutes.

[4][a] Two days after the battle Kempthorne was appointed acting captain on HMS Queen Charlotte.

[2] In 1847 the Admiralty authorised the award of the Naval General Service Medal with clasp "Algiers" to all surviving claimants from the battle.