Family name ក្វាន (ក្វាន 
) , in all the world, is an extremely rare last name. The last name ក្វាន is characteristic of South-eastern Asia, particularly Cambodia, where it is a very rare surname. Likewise, ក្វាន is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ក្វាន | Cambodia |