Cognomen Damlongboun (Damlongboun 
) , in all the world, is a rare surname. The cognomen Damlongboun is habitual in South-eastern Asia, particularly Laos, where it is quite a rare surname, and Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Damlongboun | Laos, Thailand |
Sackthavy, and Thipsavanh