Surname Phaiboun (Phaiboun 
) , throughout the world, is a rare last name. The last name Phaiboun is characteristic of Laos, where it is quite a rare surname, Australia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Phaiboun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phaiboun | Laos, Canada, Australia, Thailand, United States |