The Tapanuli orangutan (Pongo tapanuliensis) is a species of orangutan restricted to South Tapanuli in the island of Sumatra in Indonesia. It is one of three known species of orangutan, alongside the Sumatran orangutan (Pongo abelii), found farther northwest on the island, and Bornean orangutan (Pongo pygmaeus). It was described as a distinct species in 2017.
Adult male