Castanopsis evansii is a tree in the family Fagaceae.

It is named for J. H. Evans, a governor of Puerto Princesa in the Philippines.

[2] Castanopsis evansii grows as a tree up to 20 metres (70 ft) tall with a trunk diameter of up to 30 cm (12 in).

[2] Castanopsis evansii grows naturally in Borneo and the Philippines.

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