| Kato Milia | |
| Name Local: | Κάτω Μηλιά |
| Periph: | Central Macedonia |
| Periphunit: | Pieria |
| Municipality: | Katerini |
| Municunit: | Petra |
| Population: | 776 |
| Population As Of: | 2021 |
| Elevation: | 180 |
| Coordinates: | 40.255°N 42.5°W |
| Postal Code: | 601 00 |
| Area Code: | +30-2351 |
| Licence: | KN |
| Caption Skyline: | The cultural association of Kato Milia. |
Kato Milia (Greek, Modern (1453-);: Κάτω Μηλιά) is a village of the Katerini municipality. Before the 2011 local government reform it was part of the municipality of Petra.[1] The 2021 census recorded 776 inhabitants in the village. Kato Milia is a part of the community of Milia.