Chrząstowo [xʂɔ̃sˈtɔvɔ] is a village in the administrative district of Gmina Nakło nad Notecią, within Nakło County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 3 kilometres (2 mi) north of Nakło nad Notecią and 29 km (18 mi) west of Bydgoszcz.