John F. Murphy may refer to: John F. Murphy (law professor) (born 1937), law professor who has written on counter-terrorism and the Guantanamo military commissions John F. Murphy (JAG), naval officer appointed as the fifth Chief Prosecutor of the Guantanamo military commissions John F. Murphy Sr. (1923–2011), American politician from Vermont John F. Murphy (South Dakota politician) (1930–2003), American lawyer and politician from South Dakota John Frank Murphy (born 1977), American federal judge See also John Murphy (disambiguation)