Payena gigas is a tree in the family Sapotaceae.
It grows up to tall with a trunk diameter of up to . The bark is greyish to brown. Inflorescences bear up to eight flowers. The fruits are , up to long. The specific epithet ' is from the Greek meaning 'giant', referring to the tree's large size.
P. gigas is endemic to Borneo and known only from Sabah. Its habitat is hill mixed dipterocarp forests to lower montane forests from to elevation.