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