Prince Iemasa Tokugawa (?? ??, Tokugawa Iemasa, March 23, 1884 – February 18, 1963) also known as Iyemasa, was a Japanese political figure of the Taisho and early Showa periods.
He was the 17th hereditary head of the former shogunal branch of the Tokugawa clan and the final President of the House of Peers in the Diet of Japan.