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