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Across the world, อุ๊ย (Ui , อุ๊ย, Uheth) is quite a rare epicene forename. The given name อุ๊ย is characteristic of Nigeria, where it is a rare primarily masculine, but very seldom feminine name, Saudi Arabia, where it is a rare gender-neutral name, and Indonesia. In absolute terms, the name is most common in India, China, and Nigeria. Also, อุ๊ย is the last name as well as the forename.
อุ๊ย is also a name for the fictitious and mythical characters: Ui Hirasawa , the fictional character from K-On!.