Ostrówek Duży [ɔsˈtruvɛk ˈduʐɨ] is a village in the administrative district of Gmina Zaleszany, within Stalowa Wola County, Subcarpathian Voivodeship, in south-eastern Poland. It lies approximately 8 kilometres (5 mi) south-east of Zaleszany, 6 km (4 mi) north-west of Stalowa Wola, and 65 km (40 mi) north of the regional capital Rzeszów.