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Cognomen Viguera (Viguera , Вигера ) , around the world, is quite a rare family name. The family name Viguera is characteristic of Latin America and the Caribbean, particularly Paraguay, where it is quite a rare surname, Cuba, and Chile. Not in comparison with a country's population, it is commonest in Spain, Chile, and Argentina. Much less frequently, Viguera is the forename as well as the last name.