Antoniów [anˈtɔɲuf] is a village in the administrative district of Gmina Radomyśl nad Sanem, within Stalowa Wola County, Subcarpathian Voivodeship, in south-eastern Poland. It lies approximately 6 kilometres (4 mi) north-west of Radomyśl nad Sanem, 19 km (12 mi) north-west of Stalowa Wola, and 77 km (48 mi) north of the regional capital Rzeszów.