Jastew [ˈjastɛf] is a village in the administrative district of Gmina Dębno, within Brzesko County, Lesser Poland Voivodeship, in southern Poland. It lies approximately 4 kilometres (2 mi) north-west of Dębno, 4 km (2 mi) east of Brzesko, and 54 km (34 mi) east of the regional capital Kraków.