John Frederick Milius (; born April 11, 1944) is an American screenwriter, film director, and producer. He was a writer for the first two Dirty Harry films, received an Academy Award nomination as screenwriter of Apocalypse Now (1979), and wrote and directed The Wind and the Lion (1975), Conan the Barbarian (1982), and Red Dawn (1984). He later served as the co-creator of the Primetime Emmy Award-winning television series Rome (2005–2007).
