Globally, บุญอิน (Bunin 
, บุญอิน ) is a very rare dominantly feminine, but uncommonly boy's first name. The first name บุญอิน is characteristic of South-eastern Asia, particularly Indonesia, where it is a very rare girly name. Predominantly, บุญอิน is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Bunin | Thailand, Indonesia, United States, Russia, Taiwan |
| บุญอิน | Thailand |