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Around the globe, トゥアン (Tuan , Tuấn , Thuan ) is a widespread masculine first name. The first name トゥアン is habitual in Vietnam, where it is a common masculine name, Macao, where it is quite a common unisex name, and Sri Lanka, where it is quite a common predominantly masculine, but very infrequently female name. In absolute terms, it most frequently occurs in Vietnam, the United States, and Indonesia. Also, トゥアン is the last name as well as the forename.
トゥアン is also a name for the fictitious and mythical characters: .