Family name Amborosio (Amborosio 
) , across the world, is an extremely rare cognomen. The family name Amborosio is characteristic of Latin America and the Caribbean, particularly Mexico, where it is an extremely rare surname, and Brazil. More prevalently, Amborosio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Amborosio | Mexico, Brazil, Peru, Philippines |