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In the entire world, หว่อ (Wo , Swun , หว่อ) is quite a rare epicene forename. The first name หว่อ is habitual in Eastern Asia, particularly Macao, where it is quite a common boy's name, Hong Kong, where it is quite a rare gender-neutral name, and Taiwan. In absolute terms, it is commonest in Taiwan, Hong Kong, and Indonesia. Also, หว่อ is the last name as well as the forename.
หว่อ is also a name for the fictitious and mythical characters: Wo Fat , the fictional villain in TV series Hawaii Five-O.