Hüyükköy is a village in Şarkışla District, in Sivas Province, Türkiye. Hüyükköy lies at 1,451 m above sea level, in the Ak Dağlar mountains. It has 181 inhabitants. The nearest city is Şarkışla, 20 km to the east. Among the landmarks around are Aşık Veysel Museum (4.9 km). Among the natural features are Göksu Waterfall (25 km).