Canarium kostermansii is a tree in the family Burseraceae. It is named for the Indonesian botanist André Kostermans.
Canarium kostermansii grows up to tall with a trunk diameter of up to . The bark is brown and smooth. The spindle-shaped fruits measure up to long.
Canarium kostermansii is endemic to Borneo. Its habitat is lowland and hill forests from sea-level to elevation.