Ręszew [ˈrɛ̃ʂɛf] is a village in the administrative district of Gmina Burzenin, within Sieradz County, Łódź Voivodeship, in central Poland. It lies approximately 8 kilometres (5 mi) west of Burzenin, 18 km (11 mi) south of Sieradz, and 64 km (40 mi) south-west of the regional capital Łódź.