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