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Surname Cavallaro (Cavallaro
) , around the world, is a common family name. The cognomen Cavallaro is habitual in Italy, where it is quite a common surname, Paraguay, where it is quite a rare surname, and Argentina. Not in comparison with a country's population, the name is most common in Italy, the United States, and Argentina. Very seldom, Cavallaro is the forename as well as the last name.