Engelhardia mendalomensis is a tree in the family Juglandaceae.

[3] Engelhardia mendalomensis grows up to 35 m (110 ft) tall, with a trunk diameter of up to 80 cm (30 in).

The leaves are falcate or lanceolate or ovate and measure up to 11 cm (4 in) long.

[3] Engelhardia mendalomensis is native to Borneo (Sabah) and Papua New Guinea.

[4] Its habitat is mixed dipterocarp forests, to elevations of 550 m (1,800 ft).