Cognomen قزح (قزح 
) , in all the world, is quite a rare surname. The cognomen قزح is habitual in Libya, where it is quite a rare surname, Syria, and Sudan. Not in comparison with a country's population, the name is most common in Sudan, Syria, and Iraq.
| VARIANT | COUNTRY |
|---|---|
| قزح | Sudan, Syria, Egypt, Libya, Iraq |