Family name Muxa (Муха 
, Muxa 
) , in all the world, is a common cognomen. The last name Muxa is characteristic of Eastern Europe, particularly Belarus, where it is quite a common surname, Ukraine, and Russia, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Муха | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Muxa | Kazakhstan, Russia, Spain, India, Brazil |