Klaussen
Klaussen is the name of two East Prussian towns that are now in Poland and Russia:
- Klaussen , District of Lyck: Klusy (Orzysz) , village in Powiat Piski, Warmian-Masurian Voivodeship, Poland
- Klaussen , Prussian Eylau district: Dubrowka (Kaliningrad, Bagrationowsk) , settlement in Bagrationovsk Raion, Kaliningrad Oblast, Russia