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Around the globe, アオ (Ao , アオ ) is quite a rare unisex given name. The forename アオ is habitual in Macao, where it is quite a common epicene name, Hong Kong, where it is a rare epicene name, and Saudi Arabia. Not in comparison with a country's population, it is the most numerous in China, Indonesia, and Egypt. More frequently, アオ is the last name as well as the forename.
アオ is also a name for the fictitious and mythical characters: Ao Hibiki , the Japanese virtual YouTuber; Ao Nanami , the fictional character from Yozakura Quartet; Ao Bing , the fictional character, Investiture of the Gods; Ao Horie , the Ao-chan Can't Study!'s character and Ao , the fictional deity.