Ktimenia () is a former municipality in Evrytania, Greece. Since the 2011 local government reform it is part of the municipality Karpenisi, of which it is a municipal unit. The municipal unit has an area of 76.824 km<sup>2</sup>. Population 459 (2021). The seat of the municipality was in Agia Triada. The municipality's name comes from the ancient city of Ctimène.