Surname Бояхчян (Бояхчян 
, Boyaxchyan, Boyakhchyan 
) , across the world, is a rare last name. The surname Бояхчян is habitual in Armenia, where it is quite a rare surname, Russia, where it is a rare surname, and Poland. Also, Бояхчян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Бояхчян | Belarus, Ukraine, Russia, Armenia |
| Boyakhchyan | Brazil, Armenia, Russia, Poland, France |