Judge Nixon may refer to:
John T. Nixon (1820–1889), judge of the United States District Court for the District of New Jersey John Trice Nixon (1933–2019), judge of the United States District Court for the Middle District of Tennessee Walter Nixon (born 1928), judge of the United States District Court for the Southern District of Mississippi
See also Judge Aimee Nixon, fictional corrupt undercover judge on the list of Judge Dredd characters