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