Masamitsu Tsuchida (?? ??, Tsuchida Masamitsu, born 1944) is a professional Japanese 9 dan Go player.In 1961, Tsuchida became a pupil at the dojo of Minoru Kitani, and reached 9 dan in 1979.
His pupils at the Nihon Ki-in have included Hideki Matsuoka, Masaki Ogata and Yoshika Mizuno.
Tsuchida is an affiliate of the Nihon Ki-in in Nagoya, Japan.