Unewel [uˈnɛvɛl] is a village in the administrative district of Gmina Sławno, within Opoczno County, Łódź Voivodeship, in central Poland. It lies approximately 8 kilometres (5 mi) north-west of Sławno, 16 km (10 mi) north-west of Opoczno, and 57 km (35 mi) south-east of the regional capital Łódź.