Worldwide, 成蔚 (成蔚 
) is a rare unisex first name. The given name 成蔚 is habitual in Eastern Asia, particularly China, where it is a very rare gender-neutral name. Much less frequently, 成蔚 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 成蔚 | China |