Piastowo
Piastowo is a Polish place name:
- Piastowo (Kowale Oleckie) , village in the Powiat Olecki, Warmian-Masurian Voivodeship, until 1945: Friedrichshof , Goldap district, East Prussia
- Piastowo (Milejewo) , village in the Elbląski powiat, Warmian-Masurian Voivodeship, until 1945: Königshagen , Elbing County, East Prussia
- Piastowo (Skulsk) , village in the powiat Koniński, Greater Poland Voivodeship
- Piastowo (Lubaczów) , village in the powiat Lubaczowski, Subcarpathian Voivodeship
- Piastowo (Gąsawa) , village in the Powiat Żniński, Kujawy-Pomeranian Voivodeship, before 1945: Plassen , Znin / Dietfurth district, Wartheland
- Piastowo (Strzelce Krajeńskie) , village in the powiat Strzelecko-Drezdenecki, Lebus Voivodeship, until 1945: Bachmannshof , Friedeberg / Neumark district, Brandenburg
- Piastowo (Krzynowłoga Mała) , village in the powiat Przasnyski, Masovian Voivodeship