Dwórzno [ˈdvuʐnɔ] is a village in the administrative district of Gmina Mszczonów, within Żyrardów County, Masovian Voivodeship, in east-central Poland. It lies approximately 7 kilometres (4 mi) south-east of Mszczonów, 17 km (11 mi) south-east of Żyrardów, and 40 km (25 mi) south-west of Warsaw.