Last name Knjazkov (Knjazkov, Князков 
) , in the world, is a rare cognomen. The surname Knjazkov is habitual in Russia, where it is a very rare surname, Kazakhstan, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Князков | Kazakhstan, Russia, Ukraine |
| vladimir aleksanderovich knjazkov RU (b. 1950) |
|
|
| andrej valerevich knjazkov RU (b. 1962) |
|