Surname Mainun (Mainun 
) , across the world, is a rare last name. The last name Mainun is characteristic of South-eastern Asia, particularly Malaysia, where it is a rare surname, Indonesia, and Thailand, where it is a very rare surname. More frequently, Mainun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mainun | Thailand, United States, India, Indonesia, Malaysia |