Family name บุญยศักดิ์ (Boonsak 
, Boonyasak 
, บุญยศักดิ์ ) , in the entire world, is a rare last name. The cognomen บุญยศักดิ์ is characteristic of Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and China, where it is an extremely rare surname. Likewise, บุญยศักดิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Boonsak | Thailand, China, United States |
| Boonyasak | Malaysia, Thailand, United States |
| บุญยศักดิ์, Boonyasakd | Thailand |
Boonyakairt, Boonyakrad, and Boonyark
|
เฌอมาลย์ บุญยศักดิ์ Thai multi-awards actress, model and TV personality, TH (b. 1982) |
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| ดารัณ บุญยศักดิ์ Thai actress, TH (b. 1979) |
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