Sergeant John H. Foley (1839 – November 18, 1874) was an Irish-born soldier in the U.S. Army who served with the 3rd U.S. Cavalry during the Indian Wars. He was one of four men received the Medal of Honor for gallantry in leading an attack against the Sioux Indians near Loupe Fork of the Platte River in Nebraska on April 26, 1872.