John Flournoy Henry (January 17, 1793 – November 12, 1873) was a U.S. Representative from Kentucky. Born at Scott County, Kentucky, Henry attended Georgetown Academy, Kentucky, and Jefferson Medical College, Philadelphia, Pennsylvania.He graduated from the College of Physicians and Surgeons in 1817.He served at Fort Meigs in 1813 as surgeon's mate of Kentucky troops.He engaged in agricultural pursuits and the practice of medicine. He owned slaves.