Cognomen Douangsiphone (Douangsiphone 
) , all over the world, is an extremely rare family name. The surname Douangsiphone is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, Douangsiphone is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Douangsiphone | Laos, Thailand |