Family name Корьян (Корьян 
) , in the entire world, is a very rare last name. The last name Корьян is habitual in Eastern Europe, particularly Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Much less frequently, Корьян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Корьян | Russia, Ukraine |