Cognomen Mar'Yanova (Марьянова 
, Mar'Yanova 
) , across the world, is a rare last name. The last name Mar'Yanova is characteristic of Russia, where it is a rare surname, Kazakhstan, and Belarus. Not in comparison with a country's population, it is the most numerous in Russia, Kazakhstan, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Марьянова | Kazakhstan, Russia, Ukraine, Belarus |
| Mar'Yanova | Italy, Ukraine |