Surname Dvorok (Dvorok 
) , in all the world, is a very rare last name. The last name Dvorok is characteristic of Czechia, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Dvorok | Czechia, United States |
| josef dvorok (b. 1917) |
|
|
| josef dvorok (b. 1923) |
|