Family name Koureich (Курейш 
, Koureich 
) , worldwide, is a rare cognomen. The last name Koureich is characteristic of Madagascar, where it is a rare surname, Mali, and Russia, where it is an extremely rare surname. Likewise, Koureich is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Курейш | Azerbaijan, Kazakhstan, Russia, Belarus |
| Koureich | Mali, France, Madagascar, Democratic Republic of the Congo |