Family name Douangsy (Douangsy 
) , around the world, is a rare last name. The family name Douangsy is habitual in Laos, where it is quite a rare surname, France, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Douangsy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Douangsy | United States, France, Laos |