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Surname Aval (Aval , Avalo , Авал ) , globally, is quite a common cognomen. The surname Aval is characteristic of Latin America and the Caribbean, particularly Argentina, where it is quite a rare surname, the Dominican Republic, and Peru. Not in comparison with a country's population, it most frequently occurs in Argentina, Peru, and India. Very seldom, Aval is the forename as well as the last name.