Cognomen Mazelly (Mazelly 
) , in the entire world, is a very rare surname. The family name Mazelly is habitual in France, where it is a very rare surname, the United States, where it is an extremely rare surname, and Brazil. Much less frequently, Mazelly is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mazelly | Brazil, France, Peru, United States |