Surname บุญไพศาล (บุญไพศาล 
, Boonpaisan , Bunpaisan ) , all around the world, is a rare cognomen. The family name บุญไพศาล is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, บุญไพศาล is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Boonpaisal, Boonpaisan, Bunpaisan, บุญไพศาล | Thailand |