HMS Cornwall (1812)
 HMS Cornwall was a 74-gun third-rate ship of the line of the Royal Navy launched on 16 January 1812 at Deptford. She served in the English Channel in the Napoleonic Wars.In 1831 she was razeed to a 50-gun ship though never saw active service again.In 1859 she was loaned to the London Association for use as a juvenile reformatory school. In 1868 she was renamed Wellesley and moved to the Tyne to serve as a school ship. She was broken up at Sheerness in 1875.