Sami is a town and a municipality on the island of Cephalonia, Ionian Islands, Greece. Since the 2019 local government reform it is one of the three municipalities on the island. It is located on the central east coast of the island. The municipality has an area of 291.2 km2 and the municipal unit has an area of 129.326 km². The 2021 census recorded a population of 2,478 in the municipal unit, and 5,501 in the municipality in its post-2019 extension.