Payena khoonmengiana

Payena khoonmengiana is a tree in the family Sapotaceae. It is endemic to Borneo and known only from Sabah.

It grows up to 15 m tall with a trunk diameter of up to 13 cm. The bark is reddish brown. Inflorescences bear one or two flowers. The fruits are ovoid, up to 8 cm long. The tree is named for forest botanist Meng Wong Khoon.

The tree is known only from the Tawai Forest Reserve and Sg Talibu Forest Reserve in Sabah. It has a small range, and its estimated area of occupancy (AOO) and extent of occurrence (EOO) are both 20 km2. Its habitat is lowland rain forest from 265 to 422 metres elevation.