Family name Louangsisongkham (Louangsisongkham 
) , around the globe, is a rare surname. The surname Louangsisongkham is habitual in Laos, where it is quite a rare surname, Thailand, where it is an extremely rare surname, and France.
| VARIANT | COUNTRY |
|---|---|
| Louangsisongkham | France, Laos, United States, Thailand |