Family name Smetanine (Сметанин 
, Smetanine 
) , all over the world, is quite a common cognomen. The surname Smetanine is habitual in Russia, where it is quite a rare surname, Kazakhstan, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Сметанин | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Smetanine | France, Venezuela |