Lithocarpus clementianus is a tree in the beech family Fagaceae. It is named for Governor Cecil Clementi Smith of the Straits Settlements (former British territories in Malaya).
Description Lithocarpus clementianus grows as a tree up to tall with a trunk diameter of up to . The brownish bark is fissured or cracked. The coriaceous leaves measure up to long. Its purplish acorns are roundish and measure up to across.
Distribution and habitat Lithocarpus clementianus grows naturally in southern Thailand, Peninsular Malaysia and Borneo. Its habitat is hill dipterocarp to lower montane forests up to elevation.
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