Castanopsis motleyana is a tree in the family Fagaceae.

[4] Castanopsis motleyana grows as a tree up to 40 metres (130 ft) tall with a trunk diameter of up to 70 cm (28 in).

Its conical to ovoid nuts measure up to 2.5 cm (1.0 in) long.

[4] Castanopsis motleyana is natve to Borneo and the Philippines.

[2] Its habitat is hill dipterocarp forests up to 500 m (1,600 ft) altitude.