Surname Kumsang (Kumsang 
) , around the world, is a rare last name. The surname Kumsang is characteristic of Thailand, where it is a rare surname, Canada, where it is an extremely rare surname, and the United States. Very seldom, Kumsang is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kumsang | Canada, India, Thailand, United States |