The Kłodnica is a river in Upper Silesia, southern Poland. Kłodnica may also refer to: Kłodnica, Lublin Voivodeship, a village in east Poland Kłodnica, Lubusz Voivodeship, a village in west Poland Kłodnica, Opole Voivodeship, a district of the city Kędzierzyn-Koźle