Brzustówek-Kolonia [bʐusˈtuvɛk kɔˈlɔɲa] is a village in the administrative district of Gmina Opoczno, within Opoczno County, Łódź Voivodeship, in central Poland. It lies approximately 6 kilometres (4 mi) north-west of Opoczno and 67 km (42 mi) south-east of the regional capital Łódź.