Rudniki [rudˈniki] is a village in the administrative district of Gmina Repki, within Sokołów County, Masovian Voivodeship, in east-central Poland. It lies approximately 12 kilometres (7 mi) east of Repki, 21 km (13 mi) east of Sokołów Podlaski, and 108 km (67 mi) east of Warsaw.