Cognomen Kupryanov (Kupryanov 
, Купрянов 
, Куприанов 
) , around the world, is a very rare last name. The cognomen Kupryanov is habitual in Kyrgyzstan, where it is a very rare surname, Kazakhstan, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Kupryanov | Russia |
| Купрянов | Kazakhstan, Russia |
| Куприанов | Kyrgyzstan, Russia |