Cognomen Ketnouvong (Ketnouvong 
) , in all the world, is a very rare surname. The family name Ketnouvong is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Very seldom, Ketnouvong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ketnouvong | United States |