Diospyros subtruncata is a tree in the Ebenaceae family. It grows up to 22 metres (70 ft) tall. Inflorescences bear up to three flowers. The fruits are obovoid, up to 3 cm (1 in) long. The specific epithet subtruncata is from the Latin meaning "somewhat truncated", referring to the calyx. Habitat is lowland mixed dipterocarp forests from sea-level to 400 metres (1,300 ft) altitude. D. subtruncata is found in Sumatra and Borneo.