Surname บุญสมัย (Merit 
, บุญสมัย 
, Bunsamai) , in all the world, is quite a rare cognomen. The family name บุญสมัย is characteristic of Nigeria, where it is quite a rare surname, Ghana, where it is a rare surname, and Mexico. In absolute terms, this name is the most popular in Nigeria, Mexico, and France. Also, บุญสมัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Merit | France, Nigeria, Zimbabwe, Egypt, Mexico |
| บุญสมัย | Thailand |