Ścięgna [ˈɕt͡ɕɛŋɡna] is a village in the administrative district of Gmina Rząśnia, within Pajęczno County, Łódź Voivodeship, in central Poland. It lies approximately 7 kilometres (4 mi) east of Rząśnia, 13 km (8 mi) north-east of Pajęczno, and 67 km (42 mi) south of the regional capital Łódź.