Dipterocarpus pachyphyllus is a tree in the family Dipterocarpaceae.

The specific epithet pachyphyllus means 'thick leaves'.

Its habitat is mixed dipterocarp forests and hilly land to 400 metres (1,300 ft) elevation.

[1] Dipterocarpus pachyphyllus has been assessed as vulnerable on the IUCN Red List.

The species is threatened by logging and land conversion.