Cognomen Аветис (Аветис 
, Avetis 
) , all over the world, is quite a rare last name. The surname Аветис is habitual in Armenia, where it is quite a common surname, Georgia, where it is quite a rare surname, and Greece, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Armenia, Georgia, and Russia. Also, Аветис is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Аветис | Kazakhstan, Belarus, Armenia, Ukraine, Russia |
| Avetis | Georgia, France, Armenia, United States, Canada |