John Lewis Barkley (August 28, 1895 – April 14, 1966) was a United States Army Medal of Honor recipient of World War I. Born in Blairstown, Missouri, near Holden, Barkley served as a Private First Class in Company K, 4th Infantry Regiment, 3rd Division. He earned the medal while fighting near Cunel, France, on October 7, 1918.