Ostrówek [ɔsˈtruvɛk] is a village in the administrative district of Gmina Kruszwica, within Inowrocław County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 14 kilometres (9 mi) south of Kruszwica, 28 km (17 mi) south of Inowrocław, and 56 km (35 mi) south of Toruń.