Pelagos (Greek: Πέλαγος) is a village in the municipality of Tripoli, Arcadia, Greece.

It is situated in the plain of Tripoli, at 670 m above sea level.

The A7 motorway (Corinth–Tripoli–Kalamata) passes west of the village.

The name Pelagos (meaning "sea") dates from classical antiquity, referring to an oak forest on the road from Mantineia to Tegea.

This article about a location in ancient Arcadia is a stub.