Cognomen Князова (Князова 
) , throughout the world, is a rare last name. The family name Князова is habitual in Tajikistan, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Bulgaria. Not in comparison with a country's population, it is commonest in Tajikistan, Kazakhstan, and Russia. Much less frequently, Князова is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Князова | Kazakhstan, Bulgaria, Russia, Tajikistan, Kyrgyzstan |