Dipterocarpus grandiflorus is a species of flowering plant in the Dipterocarpaceae family.

[1] Dipterocarpus grandiflorus ranges from Bangladesh and the Andaman Islands through Myanmar, Thailand, Laos, Vietnam, Peninsular Malaysia, Sumatra, Borneo, and the Philippines.

[1] The species' habitat is currently in decline in quality and extent across its native range.

[1] Its wood is used to produce good quality charcoal, paper pulp, and timber sold under the Keruing designation.

The tree itself is very useful for nitrogen fixing, erosion control, soil improvement, and watershed regulation.