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