Takushiro Hattori (服部 卓四郎, Hattori Takushirō, January 2, 1901 – April 30, 1960) was an Imperial Japanese Army officer and government official. During World War II, he alternately served as the chief of the Army General Staff's Operations Section and secretary to Prime Minister Hideki Tojo. After the war ended, he served as an adviser on military matters to the postwar Japanese government.