Cognomen Khambao (Khambao 
) , worldwide, is a rare family name. The cognomen Khambao is habitual in Laos, where it is quite a common surname, Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. More prevalently, Khambao is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khambao | Laos, United States, Thailand, Australia |
| surodchana khambao Thai weightlifter, TH (b. 1999) |
|