Last name Riazanova (Рязанова 
, Riazanova 
) , all around the world, is a common cognomen. The last name Riazanova is characteristic of Russia, where it is quite a common surname, Kazakhstan, where it is quite a rare surname, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Рязанова | Kazakhstan, Belarus, Azerbaijan, Russia, Ukraine |
| Riazanova | Lithuania, Georgia, Estonia, United States, Russia |
| olga riazanova actress |
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| anastasia v riazanova researcher ORCID ID = 0000-0002-5661-0874 |
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