The Stratos Hydroelectric Dam (Greek: Υδροηλεκτρικό Φράγμα Στράτου) is a dam on the river Acheloos in Aetolia-Acarnania, western Greece.

It is situated just east of the village Stratos, and 9 km northwest of Agrinio.

The dam created the Stratos artificial lake.

The dam was constructed between 1981 and 1989.

Four turbine units produce up to 156.7 MW of electricity.