Dereköy is a village in Ağlasun District, in Burdur Province, Türkiye. Dereköy lies at 1,037 m above sea level, in the Western Taurus mountains. It has 310 inhabitants. The nearest city is Isparta, 15.2 km to the northwest. Among the landmarks around are Sagalassos (9.2 km), Cremna (16.5 km) and Onaç-2 Dam (16.4 km).