Nanbu Toshitada (????, 18 October 1797 – 29 May 1855) was a late Edo period Japanese samurai, and the 12th daimyo of Morioka Domain in northern Japan.
He was the 38th hereditary chieftain of the Nanbu clan.
His courtesy title was Shinano-no-kami (later Sashosho), and his Court rank was Junior 4th Rank, Lower Grade.