Family name Pietronero (Pietronero 
) , throughout the world, is a very rare cognomen. The surname Pietronero is habitual in Italy, where it is a very rare surname, Brazil, where it is an extremely rare surname, and Argentina.
| VARIANT | COUNTRY |
|---|---|
| Pietronero | Italy, Argentina, Brazil |
| luciano pietronero Italian physicist, IT (b. 1949) |
|