Family name บุญรัตน์ (บุญรัตน์ 
, Boonrat 
, Bunrat 
) , around the globe, is quite a common last name. The last name บุญรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is quite a common surname. Likewise, บุญรัตน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| บุญรัตน์, Boonrut | Thailand |
| Boonrat | Norway, United States, Thailand, Australia |
| Bunrat | Malaysia, United States, Thailand |