Peraia or Peraea (from Greek: περαία, "land across, opposite") was used in Antiquity to refer most usually to coastal zones claimed by island states. It can also refer to:
Peraia, Pella, a village in the Pella regional unit in Greece
Peraia, Thessaloniki, a suburban city in the Thessaloniki regional unit in Greece
Rhodian Peraia, a historic area of Rhodian rule on the southwestern shores of Asia Minor