Cognomen Buapaeng (Buapaeng 
) , in the world, is a very rare surname. The family name Buapaeng is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Buapaeng is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Buapaeng | Thailand |
| jetsadayut buapaeng Thai footballer, TH (b. 1989) |
|