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