Sunao Tawara is an Japanese pathologist (born July 5, 1873, Oita- died 1952).
Sunao Tawara studied at the Imperial University in Tokyo, graduating there in 1901, Igaku Hakushi 1908. The years 1903 to 1906 he spent in Marburg studying pathology and pathological anatomy with Karl Albert Ludwig Aschoff (1866-1942). It was here he undertook his important works on the anatomy and pathology of the heart. When returning to Japan he was appointed extraordinary professor of pathology in Fukuoka, becoming ordinarius of this specialty in 1908.