Family name Marsun (Marsun 
) , in all the world, is a very rare surname. The family name Marsun is habitual in South-eastern Asia, particularly Myanmar, where it is a very rare surname, Malaysia, and Indonesia. Likewise, Marsun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marsun | Indonesia, Spain, Malaysia, Philippines, Myanmar |