Keryneia () is a village and a community in the municipal unit of Diakopto, Achaea, Greece. The community consists of the villages Keryneia and Nea Keryneia. It is located 6 km southeast of Aigio and 7 km west of Diakopto. The Greek National Road 8A (Patras - Aigio - Corinth) passes between Keryneia and Nea Keryneia. The town takes its name from the ancient town of Ceryneia
Ceryneia was one of the twelve towns of the ancient Achaeans. The city Kyrenia in Cyprus was settled by Achaeans, probably from Ceryneia.