Cognomen Klumdoung (Klumdoung 
) , around the world, is a very rare family name. The family name Klumdoung is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Klumdoung | Thailand |
Siriphun, Sirinart, and Pattarinee