In the entire world, Tomasello (Tomasello 
) is a rare gender-neutral forename. The first name Tomasello is characteristic of Southern Europe, particularly Italy, where it is a rare epicene name. Much more frequently, Tomasello is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Tomasello | Italy, France, United States, Argentina, Germany |