Stemonoporus cordifolius (Sinhalese: Iri Dorala) is a species of flowering plant in the family Dipterocarpaceae. It is a tree endemic to southwestern Sri Lanka, where it is limited to the southern slopes of Adam's Peak. It is a gregarious understory tree in evergreen montane rain forest.
The species was first described as Monoporandra cordifolia by George Henry Kendrick Thwaites in 1854. In 1931 Arthur Hugh Garfit Alston placed the species in genus Stemonoporus as S. cordifolius.