Family name Korouni (Korouni 
) , globally, is a very rare cognomen. The surname Korouni is characteristic of Greece, where it is a very rare surname, Iran, and Canada, where it is an extremely rare surname. In absolute terms, this name is the most popular in Iran, Greece, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Korouni | Greece, United States, Canada, Iran |