Ostrusza [ɔsˈtruʂa] is a village in the administrative district of Gmina Ciężkowice, within Tarnów County, Lesser Poland Voivodeship, in southern Poland. It lies approximately 5 kilometres (3 mi) south-east of Ciężkowice, 28 km (17 mi) south of Tarnów, and 84 km (52 mi) east of the regional capital Kraków.