Surname Dvoryanov (Дворянов 
, Dvoryanov 
) , all over the world, is a rare cognomen. The last name Dvoryanov is habitual in Azerbaijan, where it is quite a rare surname, Russia, where it is a rare surname, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Дворянов | Azerbaijan, Kazakhstan, Russia, Belarus, Ukraine |
| Dvoryanov | Russia, Bulgaria |