Çatköy is a village in Gemerek District, in Sivas Province, Türkiye. Çatköy lies at 1,514 m above sea level, in the Ak Dağlar mountains. It has 428 inhabitants. The nearest city is Akdağmadeni, 26 km to the north. Among the landmarks around are Yahyasaray Dam (19.9 km). Among the natural features are Göksu Waterfall (14.1 km).