Cognomen Bonaza (Bonaza 
) , around the world, is a rare last name. The surname Bonaza is habitual in the Democratic Republic of the Congo, where it is a rare surname, Brazil, where it is a very rare surname, and France, where it is an extremely rare surname. Much less frequently, Bonaza is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bonaza | Brazil, Spain, Nigeria, Democratic Republic of the Congo, France |