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Surname Portilla (Portilla ) , in the world, is a common cognomen. The cognomen Portilla is habitual in Latin America and the Caribbean, particularly Colombia, where it is quite a common surname, Peru, and Costa Rica (explore the name in all countries). Measured by absolute frequency, it is commonest in Latin America and the Caribbean, particularly Colombia, Mexico, and Peru. Very seldom, Portilla is the forename as well as the last name.