Cognomen Klabsawang (Klabsawang 
) , in the entire world, is a very rare last name. The surname Klabsawang is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Klabsawang | Thailand |
Charoon, Geeranut, and Saengtawan