Jakubowo [jakuˈbɔvɔ] is a village in the administrative district of Gmina Kamień Krajeński, within Sępólno County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 4 kilometres (2 mi) south-west of Kamień Krajeński, 7 km (4 mi) north of Sępólno Krajeńskie, and 55 km (34 mi) north-west of Bydgoszcz.