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Cognomen Aramburu (Aramburu , Арамбуру , ארמבורו ) , worldwide, is a common last name. The last name Aramburu is characteristic of Latin America and the Caribbean, particularly Uruguay, where it is quite a common surname, Argentina, where it is quite a rare surname, and Peru. In absolute terms, this name is the most popular in Argentina, Peru, and Spain. Much less frequently, Aramburu is the forename as well as the last name.