Engelhardia danumensis is a tree in the family Juglandaceae.

It is named for the Danum Valley in Borneo.

[3] Engelhardia danumensis grows up to 35 m (110 ft) tall, with a trunk diameter of up to 60 cm (24 in), with buttresses.

The leaves are elliptic and measure up to 7 cm (3 in) long.

[3] Engelhardia danumensis is endemic to Borneo, where it is known only from the Ulu Segama Forest Reserve in Sabah.