Budy Zaklasztorne [ˈbudɨ zaklaʂˈtɔrnɛ] is a village in the administrative district of Gmina Puszcza Mariańska, within Żyrardów County, Masovian Voivodeship, in east-central Poland. It lies approximately 3 kilometres (2 mi) north-west of Puszcza Mariańska, 10 km (6 mi) south-west of Żyrardów, and 53 km (33 mi) south-west of Warsaw.