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