In the entire world, 曰虹 (曰虹 
) is a very rare feminine forename. The first name 曰虹 is habitual in Eastern Asia, particularly China, where it is an extremely rare feminine name. Very seldom, 曰虹 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 曰虹 | China |