Lithocarpus coopertus is a tree in the family Fagaceae. The specific epithet coopertus means 'covered over', referring to the acorn.
Lithocarpus coopertus grows as a tree up to tall with a trunk diameter of up to . The greyish brown bark is smooth, flaky or . The leaves measure up to long. Its brown acorns are to conical and measure up to across.
Lithocarpus coopertus grows naturally in Peninsular Malaysia, Borneo and the Philippines. Its habitat is dipterocarp, peat swamp and kerangas forests up to elevation.
The timber is used locally in home construction and for firewood.