Matsudaira Mochiaki

was a Bakumatsu period daimyō under the Edo period Tokugawa shogunate of Japan. He was the 7th daimyō of Itoigawa Domain in Echigo Province and later the 17th (and final) daimyō of Fukui Domain in Echizen Province.

Biography Mochiaki was the fourth son of Matsudaira Naoharu of Itoigawa. He was received in formal audience by Shōgun Tokugawa Ieyoshi in 1852. His childhood name was Yuanosuke (鑜之助). He underwent his genpuku ceremony in 1853, becoming Matsudaira Naokiyo (直廉). On the retirement of his father in 1857, he became daimyō of Itoigawa. At that time, his courtesy title was Hyūga-no-kami and his court rank was Junior Fifth Rank, Upper Grade.

In 1858, Matsudaira Yoshinaga (better known as Matsudaira Shungaku) was forced into retirement during the Ansei Purge, and Naokiyo was transferred to Fukui Domain and was adopted as Yoshinaga's successor.

He died in 1890. His son, Matsudaira Yasutaka (1867–1930) served as a member of the House of Peers of the Diet of Japan and was author of a number of works on agricultural science, having studied for several years in England.

Family Father: Matsudaira Naoharu (1810–1878) Wives: Yuki-hime, daughter of Kuga Takemichi Ikuhime, daughter of Hirohashi Tanetatsu Children: Matsudaira Yasutaka Matsudaira Nagayori Takeya Harumitsu Fujinami Shigeuji Kiyohime, married Nabeshima Naoyasu Keihime, married Kato Yasumichi Akihime, married Toda Yasukei