Katarzyniec [kataˈʐɨɲɛt͡s] is a village in the administrative district of Gmina Więcbork, within Sępólno County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 8 kilometres (5 mi) south of Więcbork, 19 km (12 mi) south of Sępólno Krajeńskie, and 40 km (25 mi) north-west of Bydgoszcz.