Paul F. Bikle (5 June 1916 – 19 January 1991) was director of the U.S. National Aeronautics and Space Administration (NASA) Dryden Flight Research Facility from 1959 until 1971, and author of more than 40 technical publications. He was associated with major aeronautical research programs including the hypersonic X-15 rocket plane, and was a world record-setting glider pilot.