Selianitika (Greek: Σελιανίτικα) is a coastal village in northern Achaea, Peloponnese, Greece. It is part of the municipal unit of Sympoliteia. It is located 6 km northwest of Aigio and 26 km east of Patras, at about 30m above sea level. The villages Selianitika and Longos (adjacent to the northwest) share a beautiful beach of fine gravel on the Gulf of Corinth which is approximately 1.5 km long. Both villages are among the most popular summer destinations of Achaea. The village had a population of 902 in 2011. The village is crossed by the Greek National Road 8 and has an interchange to Athens-Corinth-Patras motorway. In the new (under construction) railway line Athens-Kiato-Patras there will be a railway stop south of the village.