Mrówczak [ˈmruft͡ʂak] is a village in the administrative district of Gmina Przystajń, within Kłobuck County, Silesian Voivodeship, in southern Poland. It lies approximately 3 kilometres (2 mi) north-west of Przystajń, 19 km (12 mi) west of Kłobuck, and 76 km (47 mi) north of the regional capital Katowice.