Hotta Masatoshi (堀田 正俊, December 31, 1634 – October 7, 1684) was a daimyō (feudal lord) in Shimōsa Province, and top government advisor and official in the Tokugawa shogunate of Japan. He served as rōjū (chief advisor) to shōgun Tokugawa Ietsuna from 1679–80, and as Tairō (head of the rōjū council) under Tokugawa Tsunayoshi from the 12th day of the 11th lunar month of 1681 until his death on 7 October 1684.