Kallindoia () is a former municipality in the Thessaloniki regional unit, Greece. Since the 2011 local government reform it is part of the municipality Lagkadas, of which it is a municipal unit. The 2021 census recorded 2,980 inhabitants in the municipal unit. The municipal unit of Kallindoia covers an area of 154.748 km<sup>2</sup>. The seat of the municipality was in Zagliveri. It is named after the ancient city of Kalindoia, which is located in the municipal unit.