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 342 (2011 census), while it was 611 in 2001. It has been registered as a traditional settlement.

Dimitsana is built on a mountain slope at an elevation of 950 m. From its southern side a marvelous view of Megalopolis plain and Taygetus is provided. Dimitsana 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.