Kusumoto Masataka (楠本 正隆) (April 14, 1838 – February 7, 1902) was a Japanese Home Ministry government official. He was a member of the House of Representatives of the Empire of Japan and its third speaker. Previously, he was governor of Niigata Prefecture (1872–1875) and governor of Tokyo (1875–1879). He was a recipient of the Order of the Rising Sun and the Order of the Sacred Treasure, and in 1896, he was granted the title of baron (男爵, danshaku) under Meiji Japan's European-derived kazoku peerage system.