Symplocos buxifolia is a plant in the family Symplocaceae, native to Borneo. The specific epithet buxifolia refers to the leaves' resemblance to those of species in the genus Buxus.
Symplocos buxifolia grows as a shrub or tree up to 10m (30feet) tall. The straight twigs become cracked with age. The leathery leaves are elliptic to obovate and measure up to long. The inflorescences, sometimes featuring racemes, bear white to yellow flowers.
Symplocos buxifolia is endemic to Borneo, where it is known only from Mount Kinabalu in Sabah. Its habitat is montane forests, at elevations of .