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Cognomen Barrera (Barrera , Barera , Баррера ) , all over the world, is a widespread surname. The cognomen Barrera is characteristic of Latin America and the Caribbean, particularly El Salvador, where it is a common surname, Guatemala, and Colombia (explore the name in all countries). Not in comparison with a country's population, it is commonest in Latin America and the Caribbean, particularly Mexico, Colombia, and Argentina. Very seldom, Barrera is the forename as well as the last name.