Wilcze Jary [ˈvilt͡ʂɛ ˈjarɨ] is a village in the administrative district of Gmina Więcbork, within Sępólno County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 13 kilometres (8 mi) west of Więcbork, 19 km (12 mi) south-west of Sępólno Krajeńskie, and 54 km (34 mi) north-west of Bydgoszcz.