Surname Котсинян (Котсинян 
, Kotsinyan 
) , around the world, is a very rare last name. The family name Котсинян is habitual in Armenia, where it is a rare surname, Russia, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Котсинян | Russia |
| Kotsinyan | Armenia, Russia, United States |