Cognomen Mdyunus (Mdyunus 
) , throughout the world, is a very rare family name. The last name Mdyunus is habitual in Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. More frequently, Mdyunus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mdyunus | Saudi Arabia, Malaysia, India |