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Last name Ragusa (Ragusa
, Рагуса) , around the world, is a common surname. The last name Ragusa is characteristic of Italy, where it is quite a common surname, Argentina, where it is quite a rare surname, and Switzerland. Not in comparison with a country's population, it is commonest in Italy, the United States, and Argentina. Very seldom, Ragusa is the forename as well as the last name.