Niwy [ˈnivɨ] is a village in the administrative district of Gmina Kamień Krajeński, within Sępólno County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 9 kilometres (6 mi) north-west of Kamień Krajeński, 17 km (11 mi) north-west of Sępólno Krajeńskie, and 65 km (40 mi) north-west of Bydgoszcz.