Kórnica (German Körnitz) is a village in the administrative district of Gmina Krapkowice, within Krapkowice County, Opole Voivodeship, in south-western Poland. It lies approximately 9 kilometres (6 mi) south-west of Krapkowice and 30 km (19 mi) south of the regional capital Opole.
Before 1945 the area was part of Germany (see Territorial changes of Poland after World War II).