Admiral of the Fleet Sir Provo William Parry Wallis, (12 April 1791 – 13 February 1892) was a Royal Navy officer. As a junior officer, following the capture of USS "Chesapeake" by the frigate during the War of 1812, the wounding of HMS "Shannon"s captain and the death of her first lieutenant in the action, he served as the temporary captain of HMS "Shannon" as she returned to Halifax, Nova Scotia, with "Chesapeake".