John Luther McLucas (August 22, 1920 – December 1, 2002) was United States Secretary of the Air Force from 1973 to 1975, becoming Secretary of the Air Force on July 19, 1973. He had been Acting Secretary of the Air Force since May 15, 1973, and Under Secretary of the Air Force since March 1969. Prior to his appointment as Under Secretary, he was president and chief executive officer of MITRE Corporation, of Bedford, Massachusetts, and McLean, Virginia. In November 1975, President Gerald Ford swore in Dr. McLucas as the eighth administrator of the Federal Aviation Administration.