In all the world, Petraglia (Petraglia 
) is a very rare gender-neutral first name. The first name Petraglia is habitual in Southern Europe, particularly Italy, where it is a very rare unisex name. Predominantly, Petraglia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Petraglia | Brazil, Uruguay, Argentina, United States, Italy |