Studzianki [stuˈd͡ʑaŋki] is a village in the administrative district of Gmina Sadkowice, within Rawa County, Łódź Voivodeship, in central Poland. It lies approximately 5 kilometres (3 mi) west of Sadkowice, 16 km (10 mi) east of Rawa Mazowiecka, and 69 km (43 mi) east of the regional capital Łódź.