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