Chrząstówek [xʂɔ̃sˈtuvɛk] is a village in the administrative district of Gmina Łęczyca, within Łęczyca County, Łódź Voivodeship, in central Poland. It lies approximately 6 kilometres (4 mi) north of Łęczyca and 40 km (25 mi) north-west of the regional capital Łódź, and is the largest producer of barley in the county.