Colonel George Lewis (22 March 1735 – 22 February 1791) was a Colonel in the British Army and commander of the Royal Artillery at the Siege of Gibraltar. He served in the several campaigns against the French and Spaniards in America, from 1757 to the end of the war in 1762, and was present at the taking Louisburgh, Quebec, Martinique, and Havannah. He became well known on the 13th of September 1782, at the Siege of Gibraltar, when the artillery under his direction set fire to and destroyed all the floating batteries of the combined forces of France and Spain. For this he was awarded a mark of Royal favor by King George III. He was also a sitter in The Siege and Relief of Gibraltar by John Singleton Copley.