Throughout the world, Romaniello (Romaniello 
) is a very rare unisex forename. The first name Romaniello is habitual in Southern Europe, particularly Italy, where it is a very rare epicene name. Much more frequently, Romaniello is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Romaniello | Uruguay, Italy, France, United States, Argentina |