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Worldwide, อายู (Ayu , อายู ) is a widespread predominantly feminine, but scarcely boy's first name. The first name อายู is habitual in Indonesia, where it is a common predominantly girly, but scarcely boy's name, Brunei, where it is quite a common female name, and Macao (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Indonesia, Taiwan, and Ethiopia. Likewise, อายู is the last name as well as the forename.
อายู is also a name for the fictitious and mythical characters: Ayu Tsukimiya , the fictional character from Kanon.