Diospyros korthalsiana is a tree in the family Ebenaceae. It grows up to tall. Twigs dry to whitish. Inflorescences bear up to seven flowers. The fruits are oblong or , drying black, up to long. The tree is named for the Dutch botanist P. W. Korthals. Habitat is mixed dipterocarp forests from sea-level to altitude. D. korthalsiana is found in Borneo, Sulawesi and the Philippines.