Marianów Kołacki [maˈrjanuf kɔˈwat͡ski] is a village in the administrative district of Gmina Brzeziny, within Brzeziny County, Łódź Voivodeship, in central Poland. It lies approximately 6 kilometres (4 mi) north of Brzeziny and 22 km (14 mi) east of the regional capital Łódź.