Cognomen Khouanphet (Khouanphet 
) , around the globe, is an extremely rare surname. The last name Khouanphet is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Much less frequently, Khouanphet is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khouanphet | United States |