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