Studzianek [stuˈd͡ʑanɛk] is a village in the administrative district of Gmina Biała Rawska, within Rawa County, Łódź Voivodeship, in central Poland. It lies approximately 9 kilometres (6 mi) north-west of Biała Rawska, 13 km (8 mi) north-east of Rawa Mazowiecka, and 64 km (40 mi) east of the regional capital Łódź.

The village has an approximate population of 280.