Surname Baunan (Baunan 
) , around the world, is a very rare last name. The surname Baunan is habitual in Norway, where it is a rare surname, and the United States, where it is an extremely rare surname. Much more prevalently, Baunan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Baunan | United States, Malaysia, Norway |