Marcinków is a village in the administrative district of Gmina Siewierz, within Będzin County, Silesian Voivodeship, in southern Poland. It lies approximately 6 kilometres (4 mi) south of Siewierz, 13 km (8 mi) north-east of Będzin, and 25 km (16 mi) north-east of the regional capital Katowice.