Cognomen Bontus (Bontus 
) , around the globe, is a rare last name. The cognomen Bontus is habitual in Austria, where it is a rare surname, France, and Tanzania, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in France, Nigeria, and Austria. Much less frequently, Bontus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bontus | Tanzania, Austria, France, Nigeria, Germany |