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