was a Japanese Samurai of the 16th century, who served the Mà Âri clan. The son of Kunishi Arisuke, Motosuke served as a senior retainer of Mà Âri Takamoto. Motosuke fought with distinction at the Siege of Yoshida-Kà Âriyama Castle. Later, he was chosen as one of the five Bugyà  of the Mà Âri clan.