Surname บุญแตง (บุญแตง 
, Boontang 
, Buntaeng 
) , around the globe, is quite a rare last name. The cognomen บุญแตง is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname, Philippines, where it is a rare surname, and Indonesia, where it is a very rare surname. Much less frequently, บุญแตง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| บุญแตง | Thailand |
| Boontang | United States, Thailand |
| Buntaeng | Malaysia, Thailand |
| Buntang | Indonesia, Philippines, India, Malaysia, Thailand |