In the entire world, Formoso (Formoso 
) is a rare boy's forename. The given name Formoso is habitual in Guinea-Bissau, where it is quite a common masculine name, Guinea, where it is a rare male name, and Philippines, where it is a very rare male name. More frequently, Formoso is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Formoso | Italy, Spain, Philippines, United States, Argentina |