was a daimyō in Japan during the Edo period (1603–1868). Mitsusada was born as the son and heir of Tokugawa Yorinobu and a grandson of Tokugawa Ieyasu with the childhood name Nagatomimaru (長福丸).
Mitsusada was a Japanese feudal lord during the Edo period (1603–1868). As the son and heir of Tokugawa Yorinobu and the grandson of Tokugawa Ieyasu, he had a notable upbringing with the name Nagatomimaru.