Benjamin Thau (15 December 1898 – 5 July 1983) was an American businessman who became vice-president of the Hollywood film studio Metro-Goldwyn-Mayer (MGM), a subsidiary of the Loew's theater chain. From 1928 he was in charge of casting, in the business of discovering and developing talented performers. He was known for his quiet and calming influence with often temperamental stars. Towards the end of his career he was head of the studio from 1956 to 1958.