HMS Captain was a 74-gun third-rate ship of the line of the Royal Navy, launched on 26 November 1787 at Limehouse. She served during the French revolutionary and Napoleonic Wars before being placed in harbour service in 1799. An accident caused her to burn and founder in 1813. Later that year she was raised and broken up.

Admiral of the Fleet John Jervis, 1st Earl of St Vincent was an admiral in the Royal Navy and Member of Parliament in the United Kingdom. Jervis served throughout the latter half of the 18th century and into the 19th, and was an active commander during the Seven Years' War, American War of Independence, French Revolutionary War and the Napoleonic Wars. He is best known for his victory at the 1797 Battle of Cape Saint Vincent, from which he earned his titles, and as a patron of Horatio Nelson.