Cognomen Mungmun (Mungmun 
) , in all the world, is an extremely rare surname. The last name Mungmun is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, Mungmun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mungmun | India, Thailand |