| Kastania | |
| Name Local: | Καστανιά |
| Type: | community |
| Periph: | Central Macedonia |
| Periphunit: | Pieria |
| Municipality: | Pydna-Kolindros |
| Population As Of: | 2021 |
| Population: | 251 |
| Elevation: | 350 |
| Coordinates: | 40.4583°N 49°W |
| Postal Code: | 600 61 |
| Area Code: | +30-2353 |
| Licence: | KN |
| Caption Skyline: | Kastania apopsi.jpg |
Kastania (Greek, Modern (1453-);: Καστανιά) is a village in Pieria, Greece. Since the 2011 local government reform it is part of the municipality Pydna-Kolindros, of which it is a municipal community.[1] The 2021 census recorded 251 residents in the village.