Clarence Leon Brown (May 10, 1890 – August 17, 1987) was an American film director. After serving as a fighter pilot and flight instructor in the United States Army Air Service during World War I, Brown was given his first co-directing credit (with Tourneur) for The Great Redeemer (1920).

Later that year, he directed a major portion of The Last of the Mohicans after Tourneur was injured in a fall. Brown moved to Universal in 1924, and then to Metro-Goldwyn-Mayer, where he remained until the mid-1950s. At MGM he was one of the main directors of their major female stars, he directed Joan Crawford six times and Greta Garbo seven.