Cognomen Khounsy (Khounsy 
) , in all the world, is a rare family name. The family name Khounsy is habitual in Laos, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Khounsy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khounsy | United States, Canada, Laos, France |