Surname Арменак (Арменак 
, Armenak 
, Armenag 
) , all over the world, is quite a rare cognomen. The family name Арменак is habitual in Armenia, where it is a common surname, Georgia, where it is quite a rare surname, and Bulgaria, where it is a rare surname. Not in comparison with a country's population, it is commonest in Armenia, Georgia, and Greece. Also, Арменак is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Арменак | Bulgaria, Ukraine, Belarus, Armenia, Russia |
| Armenak | Georgia, Greece, United States, Armenia, Turkey |
| Armenag | Brazil, United States, Argentina |