Alangium circulare is a tree in the dogwood family Cornaceae. The specific epithet ' is from the Latin meaning "circular", referring to shape of the leaves.
Alangium circulare grows as a tree up to tall. The smooth bark is grey-brown. The inflorescence is greyish pubescent.
Alangium circulare is endemic to Borneo where it is confined to Sarawak. Its habitat is kerangas forest.