Cognomen บุญฤทธิ์ (บุญฤทธิ์ 
, Boonyarit 
, Bunyarit 
, among others...) , in the world, is a common family name. The last name บุญฤทธิ์ is characteristic of Thailand, where it is quite a common surname, Malaysia, where it is a very rare surname, and Germany. Likewise, บุญฤทธิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bunrit, บุญฤทธิ์ | Thailand |
| Boonyarit | Myanmar, Thailand, Canada, United States, Malaysia |
| Bunyarit | Germany, Malaysia, United States, Thailand |
| Boonrit | Germany, United States, Thailand |
Bhunrit, Boonarit, Boongrit, Boonlitthikan, Boonrerk, Boonritdded, Boonrith, Boonritr, Boonritt, Boonrittikarn, Boonrote, Boonrue, Boonsritan, Boontarit, Boontritka, Boonyrit, Booonrid, Bunharit, Bunrith, Bunrithi, and Emboonrit
| พร้อม บุญฤทธิ์ Thai politician, TH (b. 1935) |
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