Palaquium decurrens is a species of tree in the family Sapotaceae. The specific epithet decurrens means 'running down', referring to the leaf base.
Palaquium decurrens grows up to tall, with a trunk diameter of up to . The bark is dark brown. Inflorescences bear up to eight flowers. The fruits are ellipsoid, up to long.
Palaquium decurrens is endemic to Borneo. Its habitat is lowland mixed dipterocarp forests.