Palaquium rigidum is a tree in the family Sapotaceae. The specific epithet rigidum means 'rigid', referring to the leaves.
Palaquium rigidum grows up to 25m (82feet) tall. The bark is reddish grey. Inflorescences bear up to four flowers. The fruits are round, up to 10cm (00inches) in diameter.
Palaquium rigidum is endemic to Borneo where it is confined to Sarawak. Its habitat is lowland mixed dipterocarp forests.