Captain Robert Henley (5 January 1783 – 7 October 1828) was an officer in the United States Navy during the Quasi-War with France, the War of 1812, and the Second Barbary War. He was the brother of Captain John Dandridge Henley, USN (1781–1835), who served during the First Barbary War and the War of 1812.
Born in Williamsburg, Virginia and educated at the College of William and Mary, Robert Henley was the son of Leonard and Elizabeth Dandridge Henley and the nephew of Martha Dandridge Custis Washington. Henley was appointed a midshipman on 8 April 1799. Midshipman Henley then participated in the engagement on 2 February 1800 between Constellation and La Vengeance during the Quasi-War with France.
After service with Edward Preble's squadron in the Mediterranean and a cruise to the East Indies, Henley received his first command, Gunboat No. 5, at Baltimore, Maryland on 9 April 1808. Henley was in command of two divisions of 15 gunboats which drove three British frigates from Hampton Roads on 20 June 1813. Reporting to brig Eagle, he received the Thanks of Congress and a Congressional Gold Medal for valiant conduct in the Battle of Lake Champlain 11 September 1814.