Budy Mszczonowskie [ˈbudɨ mʂt͡ʂɔˈnɔfskʲɛ] is a village in the administrative district of Gmina Radziejowice, within Żyrardów County, Masovian Voivodeship, in east-central Poland. It lies approximately 2 kilometres (1 mi) west of Radziejowice, 9 km (6 mi) south-east of Żyrardów, and 40 km (25 mi) south-west of Warsaw.