Lithocarpus ewyckii is a tree in the beech family Fagaceae. It is named for D.J. van Ewijck van Oostbroek en De Built of the Dutch Colonial Service.
Lithocarpus ewyckii grows as a tree up to 50m (160feet) tall with a trunk diameter of up to 90cm (40inches). The smooth or scaly bark is greyish brown to reddish brown. Its coriaceous leaves are yellowish tomentose and measure up to 15cm (06inches) long. The brownish acorns are ovoid to conical and measure up to 2.50NaN0 across.
Lithocarpus ewyckii grows naturally in Peninsular Malaysia, Singapore, Sumatra and Borneo. Its habitat is mixed dipterocarp (including kerangas) forests from 200m (700feet) to 2000m (7,000feet) elevation.