Cognomen Bonanto (Bonanto 
) , all over the world, is a very rare last name. The cognomen Bonanto is habitual in South Africa, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and the United States. Very seldom, Bonanto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bonanto | United States, Malaysia, South Africa, Philippines |