Around the globe, Piero Marcelo (Piero Marcelo 
) is a very rare masculine forename. The forename Piero Marcelo is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare male name. Much less frequently, Piero Marcelo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Piero Marcelo | Chile, Peru |