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