Dryobalanops keithii is a species of plant in the Dipterocarpaceae family. The species is named after H.G. Keith, 1899-1982, a Conservator of Forests in North Borneo (now Sabah). This species is endemic to Borneo, where it is threatened due to habitat loss. It is a main canopy to low emergent tree, up to 40 m tall, found in mixed dipterocarp forest on well-drained but moist clay soils. It is a heavy hardwood sold under the trade names of Kapur.