Surname Grudkov (Грудков 
, Grudkov 
) , all over the world, is a rare last name. The surname Grudkov is habitual in Bulgaria, where it is quite a rare surname, Russia, where it is a rare surname, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Грудков | Kazakhstan, Russia, Ukraine, Bulgaria |
| Grudkov | Russia, Bulgaria, United States |
| venelin kostov grudkov (b. 1958) |
|