Family name Khumban (Khumban 
) , in the entire world, is a rare last name. The last name Khumban is characteristic of Thailand, where it is a rare surname, and India, where it is an extremely rare surname. Very seldom, Khumban is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khumban | Thailand, India, South Africa |