Acamantis (Greek: Ακαμαντίς) was one of the phylai (tribes) of classical Athens, created during the reforms of Cleisthenes. It was named after the legendary hero Acamas, and included the demes of Cholargos,Eiresidai,Hermos,Iphistiadai,Kerameis,Kephale,Poros,Thorikos,,Hagnous,Kikynna,Prospalta andSphettos. Pericles was a member of this tribe.