Family name Pietro Stefano (Pietro Stefano 
) , throughout the world, is an extremely rare surname. The family name Pietro Stefano is characteristic of Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Much more frequently, Pietro Stefano is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pietro Stefano | Peru, Italy, Chile, Ecuador, Costa Rica |