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