Glyptopetalum quadrangulare is a plant in the family Celastraceae. The specific epithet quadrangulare means 'four-angled', referring to the winged twigs.
Glyptopetalum quadrangulare grows as a shrub or tree up to tall with a diameter of up to . The flowers are greenish-yellow. The roundish fruits measure up to in diameter.
Glyptopetalum quadrangulare grows naturally in Myanmar, Thailand, Cambodia, Vietnam, Sumatra, Peninsular Malaysia and Borneo. Its habitat is lowland forests.