Mierzęcice [mʲɛʐɛɲˈt͡ɕit͡sɛ] is a village in Będzin County, Silesian Voivodeship, in southern Poland. It is the seat of the gmina (administrative district) called Gmina Mierzęcice. It lies approximately 13 kilometres (8 mi) north of Będzin and 24 km (15 mi) north-east of the regional capital Katowice.