Cognomen บุญยิ่ง (Merit 
, Boonying 
, Bunying 
) , worldwide, is quite a common family name. The family name บุญยิ่ง is habitual in Thailand, where it is quite a rare surname, Nigeria, and Ghana, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Nigeria, Thailand, and Mexico. Likewise, บุญยิ่ง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Merit | Zimbabwe, Egypt, Mexico, Nigeria, Thailand |
| Boonying | China, United States, Thailand |
| Bunying | Mexico, United States, Thailand, Philippines |