Piątkowo [pjɔntˈkɔvɔ] is a village in the administrative district of Gmina Kowalewo Pomorskie, within Golub-Dobrzyń County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 7 kilometres (4 mi) north-east of Kowalewo Pomorskie, 12 km (7 mi) north of Golub-Dobrzyń, and 31 km (19 mi) north-east of Toruń.