Castanopsis motleyana is a tree in the family Fagaceae. It is named for the botanist James Motley.
Castanopsis motleyana grows as a tree up to tall with a trunk diameter of up to . The cracked or scaly bark is reddish to brown. The coriaceous leaves measure up to long. Its conical to ovoid nuts measure up to long.
Castanopsis motleyana is native to Borneo and the Philippines. Its habitat is hill dipterocarp forests up to altitude.