Lithocarpus lucidus is a tree in the beech family Fagaceae. The specific epithet lucidus means 'shining', referring to the acorn and leaf surface.
Lithocarpus lucidus grows as a tree up to tall with a trunk diameter of up to and buttresses measuring up to high. The brown bark is smooth. Its coriaceous leaves measure up to long. The brown purplish acorns are ovoid and measure up to across.
Lithocarpus lucidus grows naturally in Thailand, Peninsular Malaysia, Singapore, Sumatra and Borneo. Its habitat is mixed dipterocarp to forests up to elevation.
The timber is locally used in construction.