Wełpin [ˈvɛu̯pin] is a village in the administrative district of Gmina Lubiewo, within Tuchola County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 7 kilometres (4 mi) north of Lubiewo, 14 km (9 mi) south-east of Tuchola, and 46 km (29 mi) north of Bydgoszcz.