Family name Bupphasawan (Bupphasawan 
) , worldwide, is a very rare last name. The cognomen Bupphasawan is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Bupphasawan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bupphasawan | United States, Thailand |