| Vermio | |
| Name Local: | Βέρμιο |
| Type: | municipal unit |
| Coordinates: | 40.5833°N 67°W |
| Periph: | West Macedonia |
| Periphunit: | Kozani |
| Municipality: | Eordaia |
| Population As Of: | 2021 |
| Population: | 2328 |
| Area: | 187.153 |
| Licence: | KZ |
Vermio (el|Βέρμιο) is a former municipality in Kozani regional unit, West Macedonia, Greece. Since the 2011 local government reform, it is part of the municipality Eordaia, of which it is a municipal unit.[1] The municipal unit has an area of 187.153 km2.[2] In 2021, it had a total population of 2,328 permanent inhabitants. The seat of the municipality was in Komnina.