Cognomen Boonsanguan (Boonsanguan 
) , in the entire world, is a very rare surname. The surname Boonsanguan is habitual in Thailand, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and the United States. Very seldom, Boonsanguan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Boonsanguan | Malaysia, United States, Thailand |