Throughout the world, Pietro Stefano (Pietro Stefano 
) is a very rare male first name. The forename Pietro Stefano is habitual in Southern Europe, particularly Italy, where it is a very rare boy's name. Very seldom, Pietro Stefano is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Pietro Stefano | Peru, Italy, Chile, Ecuador, Costa Rica |