Worldwide, Marcelliano (Marcelliano 
) is a very rare masculine forename. The first name Marcelliano is habitual in Italy, where it is a very rare masculine name, and Philippines. Also, Marcelliano is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Marcelliano | Spain, Philippines, Brazil, Italy, United States |
| marcelliano da la guerche Roman Catholic clergyman |
|