Shigeru Mizuhara (水原 茂, Mizuhara Shigeru, January 19, 1909 – March 26, 1982) is a former professional baseball infielder and manager in Japan's Japanese Baseball League (JBL) and Nippon Professional Baseball (NPB). As a player his team won nine JBL championships; as a manager his teams won five Japan Series championships. Mizuhara was a star third baseman for Keio University. Mizuhara was elected to the Japanese Baseball Hall of Fame in 1977.