Sielec [ˈɕɛlɛt͡s] is a village in the administrative district of Gmina Żnin, within Żnin County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 11 kilometres (7 mi) west of Żnin and 41 km (25 mi) south-west of Bydgoszcz.