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Globally, Sirio (Siri , Sirio , Винченцо ) is a common unisex first name. The forename Sirio is characteristic of Norway, where it is quite a rare female name, Sweden, and Italy, where it is quite a rare primarily boy's, but very seldom girly name. Not in comparison with a country's population, the name is most common in India, Italy, and Tanzania. Also, Sirio is the last name as well as the forename.
Sirio is also a name for the fictitious and mythical characters: Dragon Shiryū , the fictional character from Saint Seiya; Vincenzo Santorini , the character from Disney's Atlantis, Atlantis: The Lost Empire; Vincent Corleone , the fictional character from The Godfather series; Vincenzo Buchstab , the fictional character from Lindenstraße and Siri Tachi , the fictional character, among other works.