Aigio, also written as Aeghion, Aegion, Aegio, Egio, is a town and a former municipality in Achaea, West Greece, Greece. Since the 2011 local government reform it is part of the municipality Aigialeia, of which it is the seat and a municipal unit. Its population is around 30,000. Aigio is a port town on the Gulf of Corinth.

Aigio, also written as Aeghion, Aegion, Aegio, Egio, is a town and a former municipality in Achaea, West Greece, Greece. Since the 2011 local government reform it is part of the municipality Aigialeia, of which it is the seat and a municipal unit. Its population is around 30,000. Aigio is a port town on the Gulf of Corinth.