Last name Khuanmuang (Khuanmuang 
) , worldwide, is a rare cognomen. The surname Khuanmuang is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Khuanmuang is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khuanmuang | United States, Thailand |