Cognomen Banchuen (Banchuen 
) , throughout the world, is a rare family name. The cognomen Banchuen is habitual in Thailand, where it is a rare surname, Canada, where it is an extremely rare surname, and the United States. Very seldom, Banchuen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Banchuen | United Kingdom, Thailand, United States, Canada |