Mizuno Tadayuki

Template:Japanese name Mizuno Tadayuki (水野 忠之, July 4, 1669 – April 23, 1731) was a Japanese daimyo of the Edo period. He served in a variety of positions in the Tokugawa shogunate, including wakadoshiyori, rōjū, and Kyoto Shoshidai.

After the 47 Ronin incident, Tadayuki was given custody of nine of the Akō men: Hazama Jūjirō, Okada Suke'emon, Yatō Emonshichi, Muramatsu Sandayū, Mase Magokurō, Kayano Wasuke, Yokogawa Sanpei, Muramatsu Jirōzaemon, and Kanzaki Yogorō.