Family name 鸿鸿 (鸿鸿 
) , all over the world, is a rare surname. The family name 鸿鸿 is habitual in Eastern Asia, particularly China, where it is a very rare surname. More frequently, 鸿鸿 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 鸿鸿 | China |