Judge McMillan may refer to:
James Bryan McMillan (1916–1995), judge of the United States District Court for the Western District of North Carolina Robert Johnston McMillan (1885–1941), judge of the United States District Court for the Western District of Texas
See also Thomas Roberts McMillen (1916–2007), judge of the United States District Court for the Northern District of Illinois Theodore McMillian (1919–2006), judge of the Missouri Court of Appeals and of the United States Court of Appeals for the Eighth Circuit