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In the world, ローサ (Rotha , ローサ , Louçã ) is a rare unisex first name. The first name ローサ is habitual in Cambodia, where it is a rare gender-neutral name, Tanzania, where it is a very rare feminine name, and Australia, where it is a very rare epicene name. Measured by absolute frequency, it is the most numerous in the United States, India, and Tanzania. Likewise, ローサ is the last name as well as the forename.