Achaiko (Greek: Αχαϊκό, before 1928: Μπεδρόνι - Bedroni[2]) is a village in the municipal unit of Olenia, Achaea, Greece.

It is located on the left bank of the river Peiros, 2 km north of Lousika, 5 km east of Kato Achaia, and 18 km southwest of Patras.