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In all the world, Найн (Nain , Nayn , Najn ) is a common epicene first name. The forename Найн is characteristic of Bolivia, where it is quite a rare masculine name, India, where it is quite a rare unisex name, and El Salvador, where it is quite a rare male name. Measured by absolute frequency, it is commonest in India, Mexico, and Indonesia. Likewise, Найн is the last name as well as the forename.