Last name Bonanga (Bonanga 
) , in the entire world, is quite a rare family name. The family name Bonanga is characteristic of Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is quite a rare surname, Tanzania, where it is a very rare surname, and Nigeria, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Bonanga | Tanzania, Nigeria, South Africa, Democratic Republic of the Congo |