Cognomen บุ้น (Bun 
, บุ้น) , throughout the world, is a common surname. The family name บุ้น is characteristic of Malaysia, where it is quite a common surname, Brunei, and Hong Kong, where it is quite a rare surname. In absolute terms, this name is the most popular in Malaysia, Indonesia, and the United States. Very seldom, บุ้น is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bun | Myanmar, Pakistan, United States, Indonesia, Malaysia |