Cognomen Poeun (Poeun 
) , all over the world, is a very rare last name. The surname Poeun is characteristic of Cambodia, where it is a very rare surname, the United States, where it is an extremely rare surname, and Thailand. Likewise, Poeun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Poeun | Cambodia, Canada, United States, Thailand |