Ostrówek [ɔsˈtruvɛk] is a village in the administrative district of Gmina Grabów, within Łęczyca County, Łódź Voivodeship, in central Poland. It lies approximately 5 kilometres (3 mi) north-west of Grabów, 20 km (12 mi) north-west of Łęczyca, and 54 km (34 mi) north-west of the regional capital Łódź.