Family name Катарьян (Katarian 
, Катарьян 
) , all over the world, is a very rare cognomen. The cognomen Катарьян is habitual in Eastern Europe, particularly Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Likewise, Катарьян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Katarian | Tanzania, United States |
| Катарьян | Russia, Ukraine |