徳川家斉
was a Japanese "daimyō" of the early late-Edo period. The son of the 11th shōgun Tokugawa Ienari, he succeeded Tokugawa Narimasa as head of the Tayasu Tokugawa house, before succeeding to the Tokugawa house of Owari Domain in 1839. His childhood name was Tanabenosuke (要之丞).