Surname Mailensun (Mailensun 
) , across the world, is a rare family name. The surname Mailensun is characteristic of South-eastern Asia, particularly Indonesia, where it is a rare surname. Much less frequently, Mailensun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mailensun | Indonesia |
| ferry silap telew mailensun Indonesian political candidate, ID |
|