Last name Khunboa (Khunboa 
) , across the world, is an extremely rare surname. The last name Khunboa is habitual in Thailand, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Khunboa | United States, Thailand |
| chatchai khunboa researcher (ORCID 0000-0001-9685-1974) |
|