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, Belarus, Kyrgyzstan, Russia, Ukraine |
| Muxa | Brazil, Spain, Kazakhstan, India, Russia |