Rudniczek [rudˈnit͡ʂɛk] is a village in the administrative district of Gmina Głowno, within Zgierz County, Łódź Voivodeship, in central Poland. It lies approximately 4 kilometres (2 mi) east of Głowno, 28 km (17 mi) north-east of Zgierz, and 29 km (18 mi) north-east of the regional capital Łódź.