Cognomen Sevostjanova (Севостянова 
, Sevostjanova 
) , in the entire world, is a rare family name. The cognomen Sevostjanova is habitual in Latvia, where it is quite a rare surname, Estonia, where it is a rare surname, and Russia. In absolute terms, it is commonest in Russia, Ukraine, and Latvia.
| VARIANT | COUNTRY |
|---|---|
| Севостянова | Ukraine, Russia |
| Sevostjanova | United Kingdom, Finland, Germany, Estonia, Latvia |