Honda Masamori (本多 正訥, March 7, 1827 – November 1, 1885) was the 7th (and final) daimyō of Tanaka Domain in Suruga Province, Japan (modern-day Shizuoka prefecture) and 9th head of the branch of the Honda clan descended from Honda Tadashige. His courtesy title was Kii-no-kami, later changed to Hōki-no-kami.