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 | Kyrgyzstan, Russia, Belarus, Kazakhstan, Ukraine |
| Riabukha | Estonia, Georgia, Afghanistan, Ukraine, United States |