Last name Дворок (Дворок 
, Dvorok 
) , around the globe, is a rare cognomen. The cognomen Дворок is habitual in Eastern Europe, particularly Czechia, where it is a rare surname, Belarus, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Дворок | Russia, Ukraine, Belarus |
| Dvorok | Czechia, United States |