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Surname Arguello (Arguello , Аргельо ) , in the world, is a widespread family name. The cognomen Arguello is characteristic of Latin America and the Caribbean, particularly Paraguay, where it is a common surname, Nicaragua, and Costa Rica, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Latin America and the Caribbean, particularly Argentina, Mexico, and Paraguay. Very seldom, Arguello is the forename as well as the last name.