Surname Riabtseva (Рябцева 
, Riabtseva 
) , throughout the world, is a common cognomen. The cognomen Riabtseva is characteristic of Eastern Europe, particularly Belarus, where it is quite a common surname, Russia, where it is quite a rare surname, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Рябцева | Russia, Kazakhstan, Ukraine, Kyrgyzstan, Belarus |
| Riabtseva | Russia, Ukraine, Portugal, Belarus, Spain |
| anna riabtseva researcher |
|