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Around the globe, Gilberto (Gilberto , ז'ילברטו , جيلبرتو) is a widespread male first name. The given name Gilberto is characteristic of Latin America and the Caribbean, particularly Mexico, where it is a common male name, Brazil, and Costa Rica, where it is quite a common boy's name (explore the name in all countries). In absolute terms, it is commonest in Brazil, Mexico, and Italy. Very seldom, Gilberto is the last name as well as the forename.
Gilberto is also a name for the fictitious and mythical characters: Gilberto , the character in the Decameron (X, 5) and Gilberto , the operatic character in the opera Giulietta e Romeo (Zingarelli).