Surname Пуртоян (Пуртоян 
, Purtoyan , Purtoian 
) , globally, is a rare family name. The surname Пуртоян is habitual in Armenia, where it is a rare surname, Russia, where it is a very rare surname, and Georgia. In absolute terms, this name is the most popular in Russia, Ukraine, and Armenia. More frequently, Пуртоян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Пуртоян | Russia, Ukraine, Armenia |
| Purtoyan | Russia, Armenia |
| Purtoian | Georgia |