Fusao Hayashi(林 房雄Hayashi Fusao, 30 May 1903 - 9 October 1975) was the pen-name of a Japanese novelist and literary critic in Showa period Japan. He is known for his early works in the proletarian literature movement, although he later became a strong ultranationalist. His real name was Goto Toshio, although he also used the alias "Shirai Akira".