Around the globe, 岩虹 (岩虹 
) is a very rare gender-neutral forename. The forename 岩虹 is characteristic of Eastern Asia, particularly China, where it is an extremely rare epicene name. Much less frequently, 岩虹 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 岩虹 | China |