Last name บุญวาสน์ (บุญวาสน์ 
) , in the world, is a very rare cognomen. The surname บุญวาสน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, บุญวาสน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| บุญวาสน์ | Thailand |