HMS Belliqueux (Eng. warlike) was a 64-gun third rate ship of the line of the Royal Navy, launched on 5 June 1780 at Blackwall Yard, London. She was named after the French ship Belliqueux captured in 1758. In 1781 Belliqueux took part at the Battle of Fort Royal, and in 1782 she was at the Battle of the Saintes. In 1796 she came under the command of Captain John Inglis who commanded her bravely during the Battle of Camperdown in October 1797. At the action of 4 August 1800, Belliqueux captured the French frigate Concorde.