Surname Bua Ngoen (Bua Ngoen 
) , throughout the world, is an extremely rare cognomen. The surname Bua Ngoen is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, Bua Ngoen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bua Ngoen | Malaysia, Thailand |