Polydamantas (Greek: Πολυδάμαντας) is a former municipality in the Larissa regional unit, Thessaly, Greece.

Since the 2011 local government reform it is part of the municipality Farsala, of which it is a municipal unit.

The municipal unit has an area of 292.951 km2.

The name of the municipality comes from Polydamas of Skotoussa (Ancient Greek: Πολυδάμας, gen. Πολυδάμαντος, Polydámas, Polydámantos (ὁ Σκοτουσσαῖος), son of Nicias), a Thessalian pankratiast, and victor in the 93rd Olympiad (408 BC), who was born in the village of Scotussa or the nearby Polydàmio.

This Thessaly location article is a stub.