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 50m (160feet) tall with a trunk diameter of up to 120cm (50inches) and buttresses measuring up to 1m (03feet) high. The brown bark is smooth. Its coriaceous leaves measure up to 16cm (06inches) long. The brown purplish acorns are ovoid and measure up to 3.50NaN0 across.
Lithocarpus lucidus grows naturally in Thailand, Peninsular Malaysia, Singapore, Sumatra and Borneo. Its habitat is mixed dipterocarp to montane forests up to 1400m (4,600feet) elevation.
The timber is locally used in construction.