Schwiddern
Schwiddern is a German place name:
- Schwiddern , Johannisburg District, East Prussia, since 1945: Świdry (Biała Piska) , town in the Powiat Piski, Warmian-Masurian Voivodeship, Poland
- Schwiddern , Lötzen District, East Prussia, since 1945: Świdry (Giżycko) , town in the Giżycki powiat, Warmian-Masurian Voivodeship, Poland
- Schwiddern , Oletzko / Treuburg district, East Prussia, since 1945: Świdry (Olecko) , town in the Powiat Olecki, Warmian-Masurian Voivodeship, Poland