Family name 镁鑫 (镁鑫 
) , worldwide, is a very rare cognomen. The last name 镁鑫 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 镁鑫 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 镁鑫 | China |