Surname Grigorianc (Григорянц 
, Григорьянц 
, Grigorianc 
) , around the world, is quite a rare family name. The last name Grigorianc is habitual in Russia, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Ukraine. Much less frequently, Grigorianc is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Григорянц | Kazakhstan, Armenia, Russia, Ukraine |
| Григорьянц | Kazakhstan, Russia, Ukraine, Belarus |
| Grigorianc | Georgia |