Family name เป็นบุญ (Merit 
, เป็นบุญ 
) , around the world, is quite a rare last name. The last name เป็นบุญ is characteristic of Nigeria, where it is quite a rare surname, Ghana, where it is a rare surname, and Mexico. In absolute terms, it is commonest in Nigeria, Mexico, and France. Likewise, เป็นบุญ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Merit | Mexico, France, Zimbabwe, Nigeria, Egypt |
| เป็นบุญ | Thailand |