Derylaki [dɛrɨˈlakʲi] is a village in the administrative district of Gmina Harasiuki, within Nisko County, Subcarpathian Voivodeship, in south-eastern Poland. It lies approximately 2 kilometres (1 mi) west of Harasiuki, 25 km (16 mi) east of Nisko, and 60 km (37 mi) north-east of the regional capital Rzeszów.