Family name Kur'Yan (Kur'Yan 
, Курьян 
) , in the entire world, is quite a rare cognomen. The last name Kur'Yan is habitual in Belarus, where it is quite a common surname, Kazakhstan, where it is a rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Kur'Yan | Ukraine, Belarus |
| Курьян | Kazakhstan, Russia, Ukraine, Belarus |