Cognomen Bonua (Bonua 
) , in the world, is a very rare last name. The surname Bonua is habitual in Indonesia, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and India. Much less frequently, Bonua is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bonua | India, Indonesia, Nigeria |