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Cognomen Cuello (Cuello , Quellio , كويلو) , globally, is a common last name. The cognomen Cuello is habitual in Latin America and the Caribbean, particularly Argentina, where it is quite a common surname, Uruguay, and the Dominican Republic (explore the name in all countries). Measured by absolute frequency, it is commonest in Latin America and the Caribbean, particularly Argentina, Colombia, and the Dominican Republic. Much less frequently, Cuello is the forename as well as the last name.