Last name Smittarello (Smittarello 
) , around the world, is a rare surname. The family name Smittarello is habitual in Italy, where it is a rare surname, France, where it is a very rare surname, and Argentina, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Italy, France, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Smittarello | Brazil, Argentina, Italy, France |