Cognomen Bunyuen (Bunyuen 
) , around the world, is a rare last name. The surname Bunyuen is characteristic of Thailand, where it is a rare surname, Malaysia, where it is an extremely rare surname, and the United States. Likewise, Bunyuen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bunyuen | Thailand, United States, Malaysia |