Kamvounia () is a former municipality in Kozani regional unit, West Macedonia, Greece. From 2011 to 2019 it was part of the municipality Servia-Velventos, of which it was a municipal unit. It is now a municipal unit of the municipality of Servia.
The municipal unit has an area of 149.535 km<sup>2</sup>. The 2021 census recorded 1,290 residents in the municipal unit. The seat of the municipality was in Tranovalto.