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Cognomen Cavalieri (Cavalieri , Кавальери) , across the world, is a common surname. The cognomen Cavalieri is habitual in Italy, where it is quite a common surname, Argentina, where it is quite a rare surname, and Uruguay. Not in comparison with a country's population, it most frequently occurs in Italy, Brazil, and Argentina. Much less frequently, Cavalieri is the forename as well as the last name.