Alangium rotundifolium is a tree in the family Cornaceae. The specific epithet ' is from the Latin meaning 'rounded leaves'.
Alangium rotundifolium grows up to tall with a trunk diameter of up to . The smooth to scaly bark is white to pale grey. The fragrant flowers are white or cream to yellow. The -ellipsoid fruits are reddish when ripe.
Alangium rotundifolium grows naturally in Sumatra, Peninsular Malaysia, Java and Borneo. Its habitat is forests from to altitude.