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Cognomen Aroni (Aroni
, אהרוני
, Арони
) , across the world, is a common family name. The cognomen Aroni is characteristic of Israel, where it is quite a common surname, Peru, and Greece, where it is quite a rare surname. In absolute terms, it most frequently occurs in Peru, Israel, and Tanzania. Much less frequently, Aroni is the forename as well as the last name.