Buntarō Futagawa (二川 文太郎 Futagawa Buntarō?, 18 Jun 1899 – 28 March 1966) was a pioneering Japanese film director and writer. So far, only two of his works have been released on DVD: Orochi (Japanese: 雄呂血, The Serpent, 1925) and the short film Backward Flow (Japanese: , Gyakuryū, 1924). In the silent era, he also worked with the actor Tsumasaburō Bandō. As a writer, he used another name: Otsuma Shinozuka (Japanese: 紫之塚 乙馬).