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