Ernestynów [ɛrnɛsˈtɨnuf] is a village in the administrative district of Gmina Bedlno, within Kutno County, Łódź Voivodeship, in central Poland. It lies approximately 5 kilometres (3 mi) south-east of Bedlno, 19 km (12 mi) east of Kutno, and 46 km (29 mi) north of the regional capital Łódź.