Kurtlukaya is a village in Ulaş District, in Sivas Province, Türkiye. Kurtlukaya lies at 1,533 m above sea level, 7.1 km from the Kulmaç Dağları mountains. It has 31 inhabitants. The nearest city is Sivas, 41 km to the north. Among the landmarks around are Kuşaklı (9.8 km) and Karacalar Dam (6.8 km).