Rudniki [rudˈniki] is a village in the administrative district of Gmina Opalenica, within Nowy Tomyśl County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 5 kilometres (3 mi) north of Opalenica, 20 km (12 mi) east of Nowy Tomyśl, and 35 km (22 mi) west of the regional capital Poznań.