Last name Kardashev (Kardashev 
) , in all the world, is a rare family name. The cognomen Kardashev is characteristic of Bulgaria, where it is quite a rare surname, Georgia, where it is a very rare surname, and Russia. Measured by absolute frequency, it is commonest in Bulgaria, Russia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Kardashev | Russia, Georgia, Bulgaria, United States, Canada |
| kiril kardashev BG |
|