Family name Khammarath (Khammarath 
) , around the globe, is a very rare surname. The last name Khammarath is characteristic of Australia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Khammarath is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khammarath | Australia, Thailand, United States |