Family name 鑫鸿 (鑫鸿 
) , around the world, is a rare last name. The surname 鑫鸿 is habitual in Eastern Asia, particularly China, where it is a very rare surname. More prevalently, 鑫鸿 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 鑫鸿 | China |