Trześń [tʂɛɕɲ] is a village in the administrative district of Gmina Gorzyce, within Tarnobrzeg County, Subcarpathian Voivodeship, in south-eastern Poland. It lies approximately 5 kilometres (3 mi) west of Gorzyce, 12 km (7 mi) north-east of Tarnobrzeg, and 72 km (45 mi) north of the regional capital Rzeszów.