Cognomen Давоян (Давоян 
, Davoyan 
, Davoian 
) , around the globe, is a rare surname. The family name Давоян is habitual in Armenia, where it is quite a rare surname, Russia, where it is a rare surname, and Georgia. In absolute terms, this name is the most popular in Russia, Ukraine, and Armenia. Also, Давоян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Давоян | Russia, Belarus, Kazakhstan, Ukraine, Armenia |
| Davoyan | Germany, Russia, Canada, Armenia, United States |
| Davoian | Germany, Russia, Georgia, Argentina, United States |