Cognomen Ambrosio Francisco (Ambrosio Francisco 
) , in the world, is an extremely rare family name. The cognomen Ambrosio Francisco is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Ambrosio Francisco is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ambrosio Francisco | Mexico, Ecuador, Brazil, Chile, Peru |