Last name Bunthoeun (Bunthoeun 
) , in the world, is a rare family name. The family name Bunthoeun is habitual in Cambodia, where it is a rare surname, Malaysia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Also, Bunthoeun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bunthoeun | Canada, Thailand, United States, Cambodia, Malaysia |