Niwka [ˈnifka] is a village in the administrative district of Gmina Radłów, within Tarnów County, Lesser Poland Voivodeship, in southern Poland. It lies approximately 4 kilometres (2 mi) south of Radłów, 11 km (7 mi) west of Tarnów, and 66 km (41 mi) east of the regional capital Kraków.