| Aetos | |
| Name Local: | Αετός |
| Type: | municipal unit |
| Periph: | West Macedonia |
| Periphunit: | Florina |
| Pop Municunit: | 2239 |
| Pop Community: | 668 |
| Population As Of: | 2021 |
| Area Municunit: | 134.1 |
| Coordinates: | 40.6333°N 55°W |
| Postal Code: | 530 73 |
| Licence: | ΡΑ |
Aetos (Greek, Modern (1453-);: Αετός; Bulgarian: Айтос, Aytos,[1] Macedonian: Ајтос, Ajtos;) is a village and a former municipality in Florina regional unit, West Macedonia, Greece. Since the 2011 local government reform it is part of the municipality Amyntaio, of which it is a municipal unit.[2] The municipal unit has an area of 134.092 km2.[3] It is 18 km southeast of Florina. In 2021 it had a population of 2,239.
The village is first mentioned in an Ottoman defter of 1481, where it is described as a settlement of fifty-nine households which produced vines and walnuts.[4]