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Cognomen Pirro (بيرو
, Pirro
, ピロ
) , across the world, is a common last name. The cognomen Pirro is habitual in Italy, where it is quite a rare surname, Egypt, and Albania. Not in comparison with a country's population, it most frequently occurs in Egypt, Italy, and the United States. Likewise, Pirro is the forename as well as the last name.