Clinostigma samoense is a species of flowering plant in the family Arecaceae. It is a palm tree endemic to the island of 'Upolu in Samoa. It is native to foothill and montane rain forest from 510 to 1000 metres elevation, most abundantly around Lake Lanoto‘o from 510 to 750 m elevation, and less commonly on Mt. Fito around 1000 metres elevation. It is threatened by habitat loss.