Cognomen Khronin (Khronin 
, Хронин 
) , in all the world, is a rare family name. The last name Khronin is habitual in Russia, where it is a very rare surname, Kazakhstan, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khronin | Russia |
| Хронин | Kazakhstan, Russia, Ukraine |