Throughout the world, Bonaldo (Bonaldo 
) is a rare mostly male, but uncommonly female forename. The forename Bonaldo is habitual in Italy, where it is a rare unisex name, the Democratic Republic of the Congo, where it is a rare boy's name, and Brazil, where it is a very rare male name. More prevalently, Bonaldo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Bonaldo | Italy, France, Democratic Republic of the Congo, Brazil, Argentina |