Cognomen 刘鑫 (刘鑫 
) , around the world, is a very rare family name. The last name 刘鑫 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, 刘鑫 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 刘鑫 | China |