Tenmon (Japanese: 天門, Hepburn: TENMON; born 4 October 1971), also known as Atsushi Shirakawa (白川 篤史, Shirakawa Atsushi), is a Japanese music composer from Tokyo, Japan. He worked in the Nihon Falcom Corporation as one of the members of Falcom Sound Team J.D.K.. During his time with Falcom, he has composed much music for Falcom games, most notably Brandish.
