Last name Mountha (Mountha 
) , in all the world, is a rare surname. The family name Mountha is characteristic of Laos, where it is quite a rare surname, Thailand, where it is a very rare surname, and Canada, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Laos, the United States, and Thailand. Very seldom, Mountha is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mountha | Canada, Thailand, France, Laos, United States |