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