Agia Varvara (Greek: Αγία Βαρβάρα) is a small village and a community in the municipal unit of Akrata, Achaea, Greece.

The community includes the village Vounaki.

It is built on the forested slopes of Mount Chelmos (Aroania).

It is 3 km east of Mesorrougi, 15 km east of Kalavryta and 17 km south of Akrata.

Between 1835 and 1912, Agia Varvara constituted a part of the municipality of Nonakrida, and between 1912 and 1996 it was an independent community.