Mikołajewice [mikɔwajɛˈvit͡sɛ] is a village in the administrative district of Gmina Irządze, within Zawiercie County, Silesian Voivodeship, in southern Poland. It lies approximately 3 kilometres (2 mi) west of Irządze, 22 km (14 mi) north-east of Zawiercie, and 62 km (39 mi) north-east of the regional capital Katowice.