Family name Коптиаев (Коптиаев 
, Koptiaev, Koptyaev 
) , around the world, is a rare last name. The cognomen Коптиаев is habitual in Bulgaria, where it is a rare surname, Russia, where it is a very rare surname, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Коптиаев | Russia |
| Koptyaev | Russia, Brazil, Bulgaria |