Rydzyn Szlachecki (Polish pronunciation: [ˈrɨdzɨn ʂlaˈxɛtskʲi]) is a village in the administrative district of Gmina Strzegowo, within Mława County, Masovian Voivodeship, in east-central Poland. It lies approximately 26 kilometres (16 mi) south of Mława and 92 km (57 mi) north-west of Warsaw.