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