Cognomen Degtjarjov (Дегтярев 
, Дегтярёв , Degtjarjov 
) , throughout the world, is a common last name. The family name Degtjarjov is habitual in Belarus, where it is quite a common surname, Russia, and Kazakhstan, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Дегтярев, Дегтярёв | Kyrgyzstan, Russia, Kazakhstan, Belarus, Ukraine |
| Degtjarjov | Czechia, Estonia, United States |
|
pjotr degtjarjov Estonian swimmer, EE (b. 1993) |
|