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Worldwide, Ариен (Arien , Aryen , Ариен ) is quite a rare gender-neutral first name. The forename Ариен is habitual in Israel, where it is quite a rare dominantly girly, but infrequently boy's name, Philippines, where it is quite a rare gender-neutral name, and Cuba, where it is a rare male name. In absolute terms, it is the most numerous in Indonesia, Philippines, and Bangladesh. Much less frequently, Ариен is the last name as well as the forename.
Ариен is also a name for the fictitious and mythical characters: Arien , the Middle-earth, The Silmarillion.