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Globally, Arantza (Arantza ) is quite a rare mostly female, but infrequently boy's first name. The forename Arantza is characteristic of Spain, where it is quite a rare mostly female, but infrequently male name, Panama, where it is a rare female name, and Finland, where it is a rare boy's name. Measured by absolute frequency, it is the most numerous in Spain, Mexico, and Chile. Very seldom, Arantza is the last name as well as the forename.