Volvi (, Vólvi) is a municipality in the Thessaloniki regional unit, Central Macedonia, Greece. The seat of the municipality is the town Stavros. The municipality has an area of 783.014 km<sup>2</sup>. It was named after Lake Volvi.
The municipality Volvi was formed at the 2011 local government reform by the merger of the following 6 former municipalities, that became municipal units: