Family name Kusanov (Kusanov 
) , throughout the world, is a very rare cognomen. The family name Kusanov is habitual in Estonia, where it is a rare surname, Kazakhstan, and Ukraine, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Kazakhstan, Russia, and Estonia.
| VARIANT | COUNTRY |
|---|---|
| Kusanov | Kazakhstan, Estonia, Russia, Ukraine |