Cognomen Bontun (Bontun 
) , throughout the world, is a very rare last name. The surname Bontun is habitual in Myanmar, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Likewise, Bontun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bontun | Nigeria, Myanmar |