Canarium patentinervium is a tree of tropical Asia in the incense tree family Burseraceae. The specific epithet ' is from the Latin meaning "spreading nerves", referring to the leaf veins.
Canarium patentinervium grows as an understory tree up to tall with a trunk diameter of up to . Its smooth bark is coloured grey. The twigs are brownish. The ellipsoid fruits measure up to long.
Canarium patentinervium grows naturally in Sumatra, Peninsular Malaysia and Borneo. Its habitat is dipterocarp and kerangas forests from sea-level to altitude.