Słabomierz [swaˈbɔmjɛʂ] is a village in the administrative district of Gmina Radziejowice, within Żyrardów County, Masovian Voivodeship, in east-central Poland. It lies approximately 4 kilometres (2 mi) west of Radziejowice, 8 km (5 mi) south-east of Żyrardów, and 42 km (26 mi) south-west of Warsaw.