Surname Margun (Margun 
, Маргун 
) , worldwide, is a rare family name. The surname Margun is characteristic of Belarus, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Russia. Much less frequently, Margun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Margun | Norway, Belarus, Philippines, Russia, India |
| Маргун | Belarus, Ukraine, Kazakhstan, Russia |