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Surname Ferrario (Ferrario
, Феррарио
, Ферраріо
) , in the entire world, is a common last name. The surname Ferrario is habitual in Aland Islands, where it is quite a common surname, Italy, and Paraguay, where it is quite a rare surname. In absolute terms, the name is most common in Italy, Argentina, and the United States. Very seldom, Ferrario is the forename as well as the last name.