Surname Khamphath (Khamphath 
) , all over the world, is an extremely rare family name. Much more prevalently, Khamphath is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khamphath | United States, Laos |
Latpakdy, Silavanh, Namphonh, Vanphila, Phakornkham, Malaythong, Chanthaphone, and Panyanouvong