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Cognomen Aranguren (Aranguren ) , around the globe, is a common family name. The cognomen Aranguren is habitual in Latin America and the Caribbean, particularly Venezuela, where it is quite a common surname, Colombia, where it is quite a rare surname, and Argentina. In absolute terms, the name is most common in Venezuela, Colombia, and Spain. Much less frequently, Aranguren is the forename as well as the last name.