Across the world, บุญเพ็ง (บุญเพ็ง 
, Boonpeng 
, Bunpheng 
) is quite a common epicene first name. The forename บุญเพ็ง is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare unisex name. Also, บุญเพ็ง is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| บุญเพ็ง | Thailand |
| Boonpeng | Netherlands, Myanmar, Malaysia, United States, Thailand |
| Bunpheng | Malaysia, Laos, Thailand, United States, Cambodia |
| Boonpheng | United States, Canada, Thailand |