Family name Riabukha (Рябуха 
, Riabukha 
) , throughout the world, is quite a common last name. The last name Riabukha is habitual in Ukraine, where it is quite a rare surname, Russia, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Рябуха | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| Riabukha | Georgia, Estonia, United States, Afghanistan, Ukraine |