Across the world, Mazzarello (Mazzarello 
) is a very rare gender-neutral forename. The first name Mazzarello is characteristic of Italy, where it is a very rare gender-neutral name, and India, where it is an extremely rare largely feminine, but infrequently boy's name. Much more prevalently, Mazzarello is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mazzarello | Brazil, Canada, Italy, Argentina, Afghanistan |