Keryneia (Greek: Κερύνεια) 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. In 2001 Keryneia had a population of 103 for the village and 435 for the community.