Kalloni (Greek: Καλλονή is a traditional mountain village in the municipality of Grevena in the Greek periphery of West Macedonia. It is 29 kilometres from Grevena, at a height of 1080 metres above sea level.
The settlement was established in 1690 and officially listed in the archives of the Monastery of Zavorda in 1797. The village was liberated in the Balkan wars in 1912 and renamed to Kalloni in 1926. Its former name was Lountzi.