Moritsuna Watanabe (1542-1620) was a samurai of the Watanabe clan and a general of the Tokugawa. In 1557 he surrendered to Ieyasu Tokugawa and became a general of his, and he fought in the Battle of Anegawa in 1570, Battle of Mikatagahara (1573), and the Battle of Nagashino in 1575.