Frederick or Fred Humphreys may refer to:
Frederick K. Humphreys (1816–1900), American physician; founder of Humphreys Homeopathic Medicine Company Frederick Humphreys (athlete) (1878–1954), British tug of war competitor and sport wrestler Frederic E. Humphreys (1883–1941), one of the original three military pilots trained by the Wright brothers Fred Humphreys (1907–1967), Australian government official, amateur photographer and botanist
See also Frederick Humphries (disambiguation)