Surname Nonoian (Ноноян 
, Nonoian 
) , in the entire world, is a very rare last name. The last name Nonoian is characteristic of Georgia, where it is a rare surname, Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Very seldom, Nonoian is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ноноян | Russia, Armenia, Ukraine |
| Nonoian | Georgia |