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Cognomen Κοτσώνης (Kotsonis , Κοτσώνης) , worldwide, is quite a rare last name. The last name Κοτσώνης is characteristic of Greece, where it is quite a common surname, Cyprus, where it is quite a rare surname, and Australia, where it is a very rare surname. In absolute terms, the name is most common in Greece, the United States, and Cyprus. Very seldom, Κοτσώνης is the forename as well as the last name.