Dęba [ˈdɛmba] is a village in the administrative district of Gmina Poświętne, within Opoczno County, Łódź Voivodeship, in central Poland. It lies approximately 10 kilometres (6 mi) south-west of Poświętne, 10 km (6 mi) north of Opoczno, and 66 km (41 mi) south-east of the regional capital Łódź.