Cognomen Keophouvanh (Keophouvanh 
) , around the globe, is a rare last name. The family name Keophouvanh is habitual in South-eastern Asia, particularly Laos, where it is quite a rare surname. Very seldom, Keophouvanh is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Keophouvanh | United States, Laos |