Zapolednik [zapɔˈlɛdɲik] is a village in the administrative district of Gmina Grębów, within Tarnobrzeg County, Subcarpathian Voivodeship, in south-eastern Poland. It lies approximately 5 kilometres (3 mi) south-east of Grębów, 17 km (11 mi) east of Tarnobrzeg, and 57 km (35 mi) north of the regional capital Rzeszów.