Dimitsana (Greek: Δημητσάνα) is a mountain village and a former municipality in Arcadia, Peloponnese, Greece. Since the 2011 local government reform it is part of the municipality Gortynia, of which it is the seat and a municipal unit. It is built on the ruins of the ancient town Teuthis. Its population is 730.
Dimitsana is built on a mountain slope above the river Lousios, at about 950 m elevation. It is located 53 km east of Pyrgos, 31 km northwest of Tripoli, 23 km northwest of Megalopoli and 17 km northeast of Andritsaina. The village has a school, a historical library, several churches, a post office, an open air water-power museum, an open amphitheater, hotels and a square.
With 611 inhabitants (2001 census), Dimitsana is the largest village of the community Dimitsana. Karkalou, 6 km northeast of Dimitsana, had 75 inhabitants in 2001. Palaiochori, 1 km south of Dimitsana, had 39 inhabitants in 2001.