Surname Viboun (Viboun 
) , in all the world, is an extremely rare family name. Much more prevalently, Viboun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Viboun | United States, Canada |
Prasith, Khousakhoun, Voravong, Thepsoumane, Sengchannavong, and Nanthavongsa