HMS Espoir was a Cruizer-class brig-sloop of the Royal Navy, launched in 1804. She served during the Napoleonic Wars, primarily in the Mediterranean, and then briefly on the North American station. She was broken up in April 1821.

HMS Success was a 32-gun Amazon-class fifth-rate frigate of the British Royal Navy launched in 1781, which served during the American Revolutionary, French Revolutionary and Napoleonic Wars. The French captured her in the Mediterranean on 13 February 1801, but she was recaptured by the British on 2 September. She continued to serve in the Mediterranean until 1811, and in North America until hulked in 1814, then serving as a prison ship and powder hulk, before being broken up in 1820.