Family name Phoeun (Phoeun 
) , around the world, is a rare cognomen. The cognomen Phoeun is habitual in Reunion, where it is quite a common surname, Cambodia, where it is a rare surname, and the United States, where it is a very rare surname. Also, Phoeun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phoeun | Reunion, France, Cambodia, Thailand, United States |