Barney McKinney Giles (September 13, 1892 – May 6, 1984) was an American military officer who helped develop strategic bombing theory and practice. Giles stepped outside of established bomber doctrine during World War II to develop long-range capabilities for fighter aircraft in use by the United States Army Air Forces. Giles served as commanding general of the Fourth Air Force then as commander of the Twentieth Air Force in the Pacific Ocean Areas. In 1945 Giles was appointed honorary Knight Commander of the Order of the British Empire by King George VI of the United Kingdom.