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, Thailand, Malaysia, United States, Myanmar |
| Bunpheng | Laos, Thailand, Malaysia, Cambodia, United States |
| Boonpheng | Canada, Thailand, United States |