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All around the world, Uan (Uan , อวน , อ่วน) is quite a rare gender-neutral first name. The forename Uan is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare epicene name, Indonesia, where it is a rare gender-neutral name, and Vietnam, where it is a rare male name. In absolute terms, it is commonest in Thailand, China, and Indonesia. Likewise, Uan is the last name as well as the forename.