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Worldwide, Ruu (Ruu ) is a rare unisex first name. The first name Ruu is habitual in Egypt, where it is a rare feminine name, South Africa, where it is a very rare epicene name, and Indonesia, where it is a very rare male name. Measured by absolute frequency, it is commonest in Egypt, Indonesia, and India. Also, Ruu is the last name as well as the forename.