Canarium pseudodecumanum is a tree of tropical Asia in the incense tree family Burseraceae. The specific epithet ' is from the Latin meaning "false decumanum", referring to the species' resemblance to Canarium decumanum.
Canarium pseudodecumanum grows as a tree up to tall with a trunk diameter of up to . Its grey-white bark is smooth to scaly. The ellipsoid fruits measure up to long.
Canarium pseudodecumanum grows naturally in Sumatra, Peninsular Malaysia and Borneo. Its habitat is lowland forests on swamp land from sea-level to altitude.
The tree's resin is used in boat construction. The fruit is considered edible. The seeds produce an edible oil.