Słupowiec [swuˈpɔvjɛt͡s] is a village in the administrative district of Gmina Kcynia, within Nakło County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 9 kilometres (6 mi) west of Kcynia, 21 km (13 mi) south-west of Nakło nad Notecią, and 44 km (27 mi) west of Bydgoszcz.