Family name Нороиан (Noroian 
, Нороиан 
) , around the world, is a very rare cognomen. The family name Нороиан is habitual in Georgia, where it is a very rare surname, Canada, and the United States. Measured by absolute frequency, it is commonest in the United States, Russia, and Canada. Very seldom, Нороиан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Noroian | Canada, United States, Philippines, Georgia |
| Нороиан | Russia |