Krupinnen
Krupinnen is a German place name:
- Krupinnen , 1938 to 1945 Kleinwittingen , Lyck district, East Prussia, since 1945: Krupin (Prostki) , town in the powiat Ełcki, Warmian-Masurian Voivodeship, Poland
- Krupinnen , Oletzko / Treuburg district, East Prussia, since 1945: Krupin (Wieliczki) , town in the Powiat Olecki, Warmian-Masurian Voivodeship, Poland