Piastów is a town in Masovian Voivodeship, east-central Poland.
Piastów may also refer to:
- Piastów, Garwolin County, a village in Masovian Voivodeship, east-central Poland
- Piastów, Przasnysz County, a village in Masovian Voivodeship, east-central Poland
- Piastów, Radom County, a village in Masovian Voivodeship, east-central Poland