Cognomen Караханьян (Караханьян 
, Karakhanyan 
, Karahanian 
) , globally, is a rare family name. The last name Караханьян is habitual in Armenia, where it is quite a rare surname, Czechia, where it is a rare surname, and Georgia. In absolute terms, it most frequently occurs in Armenia, Russia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Караханьян | Russia |
| Karakhanyan | Czechia, Russia, Greece, Armenia, United States |
| Karahanian | Argentina, Chile, France, United States |
| Karakhanian | France, Russia, Georgia, United States, Brazil |