Across the world, 蔚洪 (蔚洪 
) is a very rare epicene first name. The given name 蔚洪 is habitual in Eastern Asia, particularly China, where it is an extremely rare epicene name. Very seldom, 蔚洪 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 蔚洪 | China |