Gonystylus bancanus is a species of tree in the family Thymelaeaceae, growing to over 40 metres (130 ft) tall.

[1] Gonystylus bancanus is native to Borneo, Sumatra, Peninsular Malaysia and Singapore.

[1] Gonystylus bancanus has been assessed as Critically Endangered on the IUCN Red List.

Past excessive timber extraction has left populations reduced.

The species is also threatened by habitat loss from the development of palm oil plantations.