Family name Керопьян (Керопьян 
, Keropian 
) , in all the world, is a rare surname. The surname Керопьян is habitual in Georgia, where it is a rare surname, Argentina, where it is a very rare surname, and Russia. In absolute terms, this name is the most popular in Russia, the United States, and Argentina.
| VARIANT | COUNTRY |
|---|---|
| Керопьян | Russia |
| Keropian | Georgia, United States, Argentina, Canada, France |