Cognomen Кашнов (Кашнов 
, Kashnov , Kachnov 
) , throughout the world, is a rare last name. The cognomen Кашнов is characteristic of Estonia, where it is a rare surname, Russia, where it is a very rare surname, and Finland.
| VARIANT | COUNTRY |
|---|---|
| Кашнов | Russia, Kazakhstan, Ukraine |
| Kashnov | Russia |
| Kachnov | Israel, Georgia, Estonia, Russia, Finland |