Cognomen Sazhenin (Sazhenin 
, Саженин 
) , all around the world, is a rare surname. The cognomen Sazhenin is characteristic of Russia, where it is a rare surname, Czechia, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sazhenin | Kazakhstan, Russia, Czechia |
| Саженин | Kazakhstan, Russia, Ukraine, Belarus |