Petratschen (disambiguation)
Petratschen is the name of two extinct East Prussian places that were located in the area of today's Russian Oblast Kaliningrad :
- Petratschen , Ksp. Ragnit, District Ragnit / Tilsit-Ragnit, 1938 to 1946: Petersfelde (Ostpr.): Submerged place in the Rajon Neman
- Petratschen, Ksp. Szillen / Schillen , Ragnit / Tilsit-Ragnit district, 1938 to 1946 Petersmoor , from 1946: Tuschinskoje , submerged place in the Neman district