Cognomen Lumpun (Lumpun 
) , throughout the world, is an extremely rare family name. The surname Lumpun is habitual in South-eastern Asia, particularly Malaysia, where it is an extremely rare surname, and Thailand. Predominantly, Lumpun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lumpun | United States, Thailand, Malaysia |