Two vessels of the Royal Navy have borne the name HMS Ballahou, or Ballahoo:
Ballahou was a gun-boat first listed in 1800. She appears in the records as serving in the navy's Egyptian campaign (8 March to 2 September 1801). Her officers and crew therefore qualified for the clasp "Egypt" to the Naval General Service Medal that the Admiralty issued in 1847 to all surviving claimants.
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.