Family name Sergoian (Сергоян 
, Sergoian 
) , all over the world, is a rare cognomen. The cognomen Sergoian is habitual in Russia, where it is a very rare surname, Georgia, and Ukraine. More prevalently, Sergoian is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Сергоян | Armenia, Russia, Ukraine |
| Sergoian | Georgia |