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Surname Berganza (Berganza ) , across the world, is quite a common family name. The surname Berganza is characteristic of Latin America and the Caribbean, particularly Guatemala, where it is quite a common surname, El Salvador, where it is quite a rare surname, and Paraguay. Measured by absolute frequency, it is commonest in Guatemala, El Salvador, and the United States. Much less frequently, Berganza is the forename as well as the last name.