Shūgorō Yamamoto (山本 周五郎 Yamamoto Shūgorō, June 22, 1903 – February 14, 1967) was the pen name of Satomu Shimizu (清水 三十六 Shimizu Satomu), a Japanese novelist and short-story writer active during the Shōwa period of Japan. He was noted for his popular literature, and is known to have published works under at least fourteen different pen names.