Cognomen Kumpun (Kumpun 
) , in the world, is a rare family name. The cognomen Kumpun is characteristic of Thailand, where it is a rare surname, and India, where it is an extremely rare surname. Also, Kumpun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kumpun | Thailand, India, United States, Nigeria, Indonesia |