Zamłynie [zamˈwɨɲɛ] is a village in the administrative district of Gmina Jeżów, within Brzeziny County, Łódź Voivodeship, in central Poland. It lies approximately 5 kilometres (3 mi) south of Jeżów, 15 km (9 mi) east of Brzeziny, and 34 km (21 mi) east of the regional capital Łódź.