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Throughout the world, รู (Ru , Ruh , Roue ) is a common unisex first name. The given name รู is habitual in Taiwan, where it is quite a rare mostly girly, but uncommonly boy's name, Mauritius, where it is quite a rare female name, and Hong Kong, where it is quite a rare unisex name. Measured by absolute frequency, this name is the most popular in India, Bangladesh, and Indonesia. Likewise, รู is the last name as well as the forename.
รู is also a name for the fictitious and mythical characters: Gao Yue , the character in Qin's Moon.