Family name บุญธีร์ (บุญธีร์ 
) , in the world, is a very rare last name. The last name บุญธีร์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, บุญธีร์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| บุญธีร์ | Thailand |