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 | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| Riabtseva | Portugal, Spain, Belarus, Russia, Ukraine |
| anna riabtseva researcher |
|