Jeleń [ˈjɛlɛɲ] is a village in the administrative district of Gmina Więcbork, within Sępólno County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 9 kilometres (6 mi) north-west of Więcbork, 13 km (8 mi) south-west of Sępólno Krajeńskie, and 52 km (32 mi) north-west of Bydgoszcz.