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All around the world, Nguyễn (Nguyễn , Nguyen , グエン ) is a widespread gender-neutral forename. The given name Nguyễn is characteristic of Macao, where it is a common largely feminine, but seldom masculine name, Vietnam, where it is a common epicene name, and Vanuatu, where it is quite a common feminine name. In absolute terms, the name is most common in Vietnam, China, and Macao. More frequently, Nguyễn is the last name as well as the forename.
Nguyễn is also a name for the fictitious and mythical characters: Nguyen Toon , the flying ace.