In all the world, Dionisio Alfonso (Dionisio Alfonso 
) is a very rare male first name. The forename Dionisio Alfonso is characteristic of Latin America and the Caribbean, particularly Chile, where it is a rare male name. Much less frequently, Dionisio Alfonso is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Dionisio Alfonso | Chile, Peru, Ecuador, Philippines, Spain |