In the entire world, บุญยศักดิ์ (Boonsak 
, Boonyasak 
, บุญยศักดิ์ ) is a very rare masculine first name. The first name บุญยศักดิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare boy's name. Likewise, บุญยศักดิ์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Boonsak | China, United States, Thailand |
| Boonyasak | Malaysia, Thailand, United States |
| บุญยศักดิ์, Boonyasakd | Thailand |
Boonyakairt, Boonyakrad, and Boonyark