Chrząstowo [xʂɔ̃sˈtɔvɔ] is a village in the administrative district of Gmina Gniewkowo, within Inowrocław County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 4 kilometres (2 mi) west of Gniewkowo, 14 km (9 mi) north-east of Inowrocław, 23 km (14 mi) south-west of Toruń, and 35 km (22 mi) south-east of Bydgoszcz.