Nanbu Nobunao (南部信直, 1 April 1546 – 22 November 1599) was a Sengoku period Japanese samurai, and daimyō and the 26th hereditary chieftain of the Nanbu clan. His courtesy title was Daizen Daibu, and his Court rank was Junior Fourth Rank, Lower Grade. He was succeeded by his son, Nanbu Toshinao, who became the 1st daimyō of Morioka Domain under the Tokugawa shogunate.