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