John F. Davis (July 11, 1907 – July 18, 2000) was an American lawyer, law clerk, and law professor whose career included work on the defense team of Alger Hiss (including "director of the Hiss investigations in Washington") from 1948 to 1950" and ten years of service as the 14th Clerk of the Supreme Court of the United States from September 1, 1961 to August 31, 1970.