Family name Loeun (Loeun 
) , in all the world, is a very rare last name. The surname Loeun is characteristic of Cambodia, where it is a very rare surname, the United States, where it is an extremely rare surname, and Canada. Also, Loeun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Loeun | Cambodia, France, United States, Thailand, Canada |