Antoninów [antɔˈninuf] is a village in the administrative district of Gmina Sławno, within Opoczno County, Łódź Voivodeship, in central Poland. It lies approximately 5 kilometres (3 mi) north of Sławno, 12 km (7 mi) north-west of Opoczno, and 61 km (38 mi) south-east of the regional capital, Łódź.