Kurtköy is a village in Ayancık District, in Sinop Province, Türkiye. Kurtköy lies at 787 m above sea level, in the Küre mountains. It has 183 inhabitants. The nearest city is Boyabat, 36 km to the south. Among the landmarks around are Erfelek Dam (8.9 km). Among the natural features are Tatlıca Waterfalls (5.4 km).