Parinari oblongifolia is a tree in the family Chrysobalanaceae. The specific epithet ' is from the Latin meaning 'oblong-leafed'.
Parinari oblongifolia grows up to tall. The smooth bark is grey to pale brown. The flowers are white to bluish. The ellipsoid fruits measure up to long.
Parinari oblongifolia grows naturally in Sumatra, Peninsular Malaysia and Borneo. Its habitat is lowland rainforest from sea-level to altitude.