Hopea cernua is a tree in the family Dipterocarpaceae. It is native to Southeast Asia.
Description Hopea cernua grows as a canopy tree, up to tall, with a trunk diameter of up to . It has flying (detached) buttress roots. The bark becomes cracked and later fissured. The leathery leaves are elliptic to ovate and measure up to long. The inflorescences measure up to and bear cream flowers.
Taxonomy Hopea cernua was described by Dutch botanists Johannes Elias Teijsmann and Simon Binnendijk in in 1867. The lectotype was collected on Sumatra. The specific epithet cernua means 'slightly drooping', referring to the flowers.
Distribution and habitat Hopea cernua is native to Sumatra and Borneo. Its habitat is mixed dipterocarp forest, to elevations of .
Conservation Hopea cernua has been assessed as endangered on the IUCN Red List. It is threatened by conversion of land for agricultural plantations. It is also threatened by logging for its timber. The species occurs in some protected areas.
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