Hotta Masatoshi (?? ??, December 31, 1634 â October 7, 1684) was a daimyo (feudal lord) in Shimosa Province, and top government advisor and official in the Tokugawa shogunate of Japan.
He served as roju (chief advisor) to shogun Tokugawa Ietsuna from 1679â80, and as Tairo (head of the roju council) under Tokugawa Tsunayoshi from the 12th day of the 11th lunar month of 1681 until his death on 7 October 1684.