Teresin (Polish pronunciation: [tɛˈrɛɕin]) is a village in the administrative district of Gmina Dmosin, within Brzeziny County, Łódź Voivodeship, in central Poland. It lies approximately 8 kilometres (5 mi) east of Dmosin, 16 km (10 mi) north-east of Brzeziny, and 32 km (20 mi) north-east of the regional capital Łódź.